LCOV - code coverage report
Current view: top level - src/wallet - wallet.cpp (source / functions) Coverage Total Hit
Test: fuzz_coverage.info Lines: 17.4 % 2883 503
Test Date: 2024-07-04 04:02:30 Functions: 28.1 % 210 59
Branches: 6.1 % 5008 304

             Branch data     Line data    Source code
       1                 :             : // Copyright (c) 2009-2010 Satoshi Nakamoto
       2                 :             : // Copyright (c) 2009-2022 The Bitcoin Core developers
       3                 :             : // Distributed under the MIT software license, see the accompanying
       4                 :             : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       5                 :             : 
       6                 :             : #include <wallet/wallet.h>
       7                 :             : 
       8                 :             : #include <config/bitcoin-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                 :           0 : bool AddWalletSetting(interfaces::Chain& chain, const std::string& wallet_name)
      95                 :             : {
      96   [ #  #  #  # ]:           0 :     common::SettingsValue setting_value = chain.getRwSetting("wallet");
      97   [ #  #  #  #  :           0 :     if (!setting_value.isArray()) setting_value.setArray();
                   #  # ]
      98   [ #  #  #  #  :           0 :     for (const common::SettingsValue& value : setting_value.getValues()) {
                   #  # ]
      99   [ #  #  #  #  :           0 :         if (value.isStr() && value.get_str() == wallet_name) return true;
             #  #  #  # ]
     100         [ #  # ]:           0 :     }
     101   [ #  #  #  # ]:           0 :     setting_value.push_back(wallet_name);
     102   [ #  #  #  # ]:           0 :     return chain.updateRwSetting("wallet", setting_value);
     103                 :           0 : }
     104                 :             : 
     105                 :           0 : bool RemoveWalletSetting(interfaces::Chain& chain, const std::string& wallet_name)
     106                 :             : {
     107   [ #  #  #  # ]:           0 :     common::SettingsValue setting_value = chain.getRwSetting("wallet");
     108   [ #  #  #  # ]:           0 :     if (!setting_value.isArray()) return true;
     109         [ #  # ]:           0 :     common::SettingsValue new_value(common::SettingsValue::VARR);
     110   [ #  #  #  # ]:           0 :     for (const common::SettingsValue& value : setting_value.getValues()) {
     111   [ #  #  #  #  :           0 :         if (!value.isStr() || value.get_str() != wallet_name) new_value.push_back(value);
          #  #  #  #  #  
                #  #  # ]
     112                 :           0 :     }
     113   [ #  #  #  #  :           0 :     if (new_value.size() == setting_value.size()) return true;
                   #  # ]
     114   [ #  #  #  # ]:           0 :     return chain.updateRwSetting("wallet", new_value);
     115                 :           0 : }
     116                 :             : 
     117                 :           0 : static void UpdateWalletSetting(interfaces::Chain& chain,
     118                 :             :                                 const std::string& wallet_name,
     119                 :             :                                 std::optional<bool> load_on_startup,
     120                 :             :                                 std::vector<bilingual_str>& warnings)
     121                 :             : {
     122         [ #  # ]:           0 :     if (!load_on_startup) return;
     123   [ #  #  #  # ]:           0 :     if (load_on_startup.value() && !AddWalletSetting(chain, wallet_name)) {
     124   [ #  #  #  #  :           0 :         warnings.emplace_back(Untranslated("Wallet load on startup setting could not be updated, so wallet may not be loaded next node startup."));
                   #  # ]
     125   [ #  #  #  # ]:           0 :     } else if (!load_on_startup.value() && !RemoveWalletSetting(chain, wallet_name)) {
     126   [ #  #  #  #  :           0 :         warnings.emplace_back(Untranslated("Wallet load on startup setting could not be updated, so wallet may still be loaded next node startup."));
                   #  # ]
     127                 :           0 :     }
     128                 :           0 : }
     129                 :             : 
     130                 :             : /**
     131                 :             :  * Refresh mempool status so the wallet is in an internally consistent state and
     132                 :             :  * immediately knows the transaction's status: Whether it can be considered
     133                 :             :  * trusted and is eligible to be abandoned ...
     134                 :             :  */
     135                 :      145160 : static void RefreshMempoolStatus(CWalletTx& tx, interfaces::Chain& chain)
     136                 :             : {
     137         [ -  + ]:      145160 :     if (chain.isInMempool(tx.GetHash())) {
     138                 :           0 :         tx.m_state = TxStateInMempool();
     139         [ +  - ]:      145160 :     } else if (tx.state<TxStateInMempool>()) {
     140                 :           0 :         tx.m_state = TxStateInactive();
     141                 :           0 :     }
     142                 :      145160 : }
     143                 :             : 
     144                 :           0 : bool AddWallet(WalletContext& context, const std::shared_ptr<CWallet>& wallet)
     145                 :             : {
     146                 :           0 :     LOCK(context.wallets_mutex);
     147         [ #  # ]:           0 :     assert(wallet);
     148         [ #  # ]:           0 :     std::vector<std::shared_ptr<CWallet>>::const_iterator i = std::find(context.wallets.begin(), context.wallets.end(), wallet);
     149         [ #  # ]:           0 :     if (i != context.wallets.end()) return false;
     150         [ #  # ]:           0 :     context.wallets.push_back(wallet);
     151         [ #  # ]:           0 :     wallet->ConnectScriptPubKeyManNotifiers();
     152         [ #  # ]:           0 :     wallet->NotifyCanGetAddressesChanged();
     153                 :           0 :     return true;
     154                 :           0 : }
     155                 :             : 
     156                 :           0 : bool RemoveWallet(WalletContext& context, const std::shared_ptr<CWallet>& wallet, std::optional<bool> load_on_start, std::vector<bilingual_str>& warnings)
     157                 :             : {
     158         [ #  # ]:           0 :     assert(wallet);
     159                 :             : 
     160                 :           0 :     interfaces::Chain& chain = wallet->chain();
     161                 :           0 :     std::string name = wallet->GetName();
     162                 :             : 
     163                 :             :     // Unregister with the validation interface which also drops shared pointers.
     164                 :           0 :     wallet->m_chain_notifications_handler.reset();
     165   [ #  #  #  # ]:           0 :     LOCK(context.wallets_mutex);
     166         [ #  # ]:           0 :     std::vector<std::shared_ptr<CWallet>>::iterator i = std::find(context.wallets.begin(), context.wallets.end(), wallet);
     167         [ #  # ]:           0 :     if (i == context.wallets.end()) return false;
     168         [ #  # ]:           0 :     context.wallets.erase(i);
     169                 :             : 
     170                 :             :     // Write the wallet setting
     171         [ #  # ]:           0 :     UpdateWalletSetting(chain, name, load_on_start, warnings);
     172                 :             : 
     173                 :           0 :     return true;
     174                 :           0 : }
     175                 :             : 
     176                 :           0 : bool RemoveWallet(WalletContext& context, const std::shared_ptr<CWallet>& wallet, std::optional<bool> load_on_start)
     177                 :             : {
     178                 :           0 :     std::vector<bilingual_str> warnings;
     179         [ #  # ]:           0 :     return RemoveWallet(context, wallet, load_on_start, warnings);
     180                 :           0 : }
     181                 :             : 
     182                 :           0 : std::vector<std::shared_ptr<CWallet>> GetWallets(WalletContext& context)
     183                 :             : {
     184                 :           0 :     LOCK(context.wallets_mutex);
     185         [ #  # ]:           0 :     return context.wallets;
     186                 :           0 : }
     187                 :             : 
     188                 :           0 : std::shared_ptr<CWallet> GetDefaultWallet(WalletContext& context, size_t& count)
     189                 :             : {
     190                 :           0 :     LOCK(context.wallets_mutex);
     191                 :           0 :     count = context.wallets.size();
     192         [ #  # ]:           0 :     return count == 1 ? context.wallets[0] : nullptr;
     193                 :           0 : }
     194                 :             : 
     195                 :           0 : std::shared_ptr<CWallet> GetWallet(WalletContext& context, const std::string& name)
     196                 :             : {
     197                 :           0 :     LOCK(context.wallets_mutex);
     198   [ #  #  #  # ]:           0 :     for (const std::shared_ptr<CWallet>& wallet : context.wallets) {
     199   [ #  #  #  # ]:           0 :         if (wallet->GetName() == name) return wallet;
     200         [ #  # ]:           0 :     }
     201                 :           0 :     return nullptr;
     202                 :           0 : }
     203                 :             : 
     204                 :           0 : std::unique_ptr<interfaces::Handler> HandleLoadWallet(WalletContext& context, LoadWalletFn load_wallet)
     205                 :             : {
     206                 :           0 :     LOCK(context.wallets_mutex);
     207         [ #  # ]:           0 :     auto it = context.wallet_load_fns.emplace(context.wallet_load_fns.end(), std::move(load_wallet));
     208         [ #  # ]:           0 :     return interfaces::MakeCleanupHandler([&context, it] { LOCK(context.wallets_mutex); context.wallet_load_fns.erase(it); });
     209                 :           0 : }
     210                 :             : 
     211                 :           0 : void NotifyWalletLoaded(WalletContext& context, const std::shared_ptr<CWallet>& wallet)
     212                 :             : {
     213                 :           0 :     LOCK(context.wallets_mutex);
     214         [ #  # ]:           0 :     for (auto& load_wallet : context.wallet_load_fns) {
     215   [ #  #  #  # ]:           0 :         load_wallet(interfaces::MakeWallet(context, wallet));
     216                 :           0 :     }
     217                 :           0 : }
     218                 :             : 
     219                 :             : static GlobalMutex g_loading_wallet_mutex;
     220                 :             : static GlobalMutex g_wallet_release_mutex;
     221                 :           1 : static std::condition_variable g_wallet_release_cv;
     222                 :           1 : static std::set<std::string> g_loading_wallet_set GUARDED_BY(g_loading_wallet_mutex);
     223                 :           1 : static std::set<std::string> g_unloading_wallet_set GUARDED_BY(g_wallet_release_mutex);
     224                 :             : 
     225                 :             : // Custom deleter for shared_ptr<CWallet>.
     226                 :           0 : static void ReleaseWallet(CWallet* wallet)
     227                 :             : {
     228                 :           0 :     const std::string name = wallet->GetName();
     229         [ #  # ]:           0 :     wallet->WalletLogPrintf("Releasing wallet\n");
     230         [ #  # ]:           0 :     wallet->Flush();
     231         [ #  # ]:           0 :     delete wallet;
     232                 :             :     // Wallet is now released, notify UnloadWallet, if any.
     233                 :             :     {
     234   [ #  #  #  # ]:           0 :         LOCK(g_wallet_release_mutex);
     235   [ #  #  #  # ]:           0 :         if (g_unloading_wallet_set.erase(name) == 0) {
     236                 :             :             // UnloadWallet was not called for this wallet, all done.
     237                 :           0 :             return;
     238                 :             :         }
     239         [ #  # ]:           0 :     }
     240                 :           0 :     g_wallet_release_cv.notify_all();
     241         [ #  # ]:           0 : }
     242                 :             : 
     243                 :           0 : void UnloadWallet(std::shared_ptr<CWallet>&& wallet)
     244                 :             : {
     245                 :             :     // Mark wallet for unloading.
     246                 :           0 :     const std::string name = wallet->GetName();
     247                 :             :     {
     248   [ #  #  #  # ]:           0 :         LOCK(g_wallet_release_mutex);
     249         [ #  # ]:           0 :         auto it = g_unloading_wallet_set.insert(name);
     250         [ #  # ]:           0 :         assert(it.second);
     251                 :           0 :     }
     252                 :             :     // The wallet can be in use so it's not possible to explicitly unload here.
     253                 :             :     // Notify the unload intent so that all remaining shared pointers are
     254                 :             :     // released.
     255         [ #  # ]:           0 :     wallet->NotifyUnload();
     256                 :             : 
     257                 :             :     // Time to ditch our shared_ptr and wait for ReleaseWallet call.
     258                 :           0 :     wallet.reset();
     259                 :             :     {
     260   [ #  #  #  # ]:           0 :         WAIT_LOCK(g_wallet_release_mutex, lock);
     261   [ #  #  #  # ]:           0 :         while (g_unloading_wallet_set.count(name) == 1) {
     262         [ #  # ]:           0 :             g_wallet_release_cv.wait(lock);
     263                 :             :         }
     264                 :           0 :     }
     265                 :           0 : }
     266                 :             : 
     267                 :             : namespace {
     268                 :           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)
     269                 :             : {
     270                 :             :     try {
     271         [ #  # ]:           0 :         std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(name, options, status, error);
     272         [ #  # ]:           0 :         if (!database) {
     273   [ #  #  #  #  :           0 :             error = Untranslated("Wallet file verification failed.") + Untranslated(" ") + error;
          #  #  #  #  #  
                #  #  # ]
     274                 :           0 :             return nullptr;
     275                 :             :         }
     276                 :             : 
     277   [ #  #  #  # ]:           0 :         context.chain->initMessage(_("Loading wallet…").translated);
     278         [ #  # ]:           0 :         std::shared_ptr<CWallet> wallet = CWallet::Create(context, name, std::move(database), options.create_flags, error, warnings);
     279         [ #  # ]:           0 :         if (!wallet) {
     280   [ #  #  #  #  :           0 :             error = Untranslated("Wallet loading failed.") + Untranslated(" ") + error;
          #  #  #  #  #  
                #  #  # ]
     281                 :           0 :             status = DatabaseStatus::FAILED_LOAD;
     282                 :           0 :             return nullptr;
     283                 :             :         }
     284                 :             : 
     285                 :             :         // Legacy wallets are being deprecated, warn if the loaded wallet is legacy
     286         [ #  # ]:           0 :         if (!wallet->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
     287   [ #  #  #  # ]:           0 :             warnings.push_back(_("Wallet loaded successfully. The legacy wallet type is being deprecated and support for creating and opening legacy wallets will be removed in the future. Legacy wallets can be migrated to a descriptor wallet with migratewallet."));
     288                 :           0 :         }
     289                 :             : 
     290         [ #  # ]:           0 :         NotifyWalletLoaded(context, wallet);
     291         [ #  # ]:           0 :         AddWallet(context, wallet);
     292         [ #  # ]:           0 :         wallet->postInitProcess();
     293                 :             : 
     294                 :             :         // Write the wallet setting
     295         [ #  # ]:           0 :         UpdateWalletSetting(*context.chain, name, load_on_start, warnings);
     296                 :             : 
     297                 :           0 :         return wallet;
     298         [ #  # ]:           0 :     } catch (const std::runtime_error& e) {
     299   [ #  #  #  # ]:           0 :         error = Untranslated(e.what());
     300                 :           0 :         status = DatabaseStatus::FAILED_LOAD;
     301                 :           0 :         return nullptr;
     302         [ #  # ]:           0 :     }
     303                 :           0 : }
     304                 :             : 
     305                 :             : class FastWalletRescanFilter
     306                 :             : {
     307                 :             : public:
     308         [ #  # ]:           0 :     FastWalletRescanFilter(const CWallet& wallet) : m_wallet(wallet)
     309                 :             :     {
     310                 :             :         // fast rescanning via block filters is only supported by descriptor wallets right now
     311   [ #  #  #  # ]:           0 :         assert(!m_wallet.IsLegacy());
     312                 :             : 
     313                 :             :         // create initial filter with scripts from all ScriptPubKeyMans
     314   [ #  #  #  # ]:           0 :         for (auto spkm : m_wallet.GetAllScriptPubKeyMans()) {
     315         [ #  # ]:           0 :             auto desc_spkm{dynamic_cast<DescriptorScriptPubKeyMan*>(spkm)};
     316         [ #  # ]:           0 :             assert(desc_spkm != nullptr);
     317         [ #  # ]:           0 :             AddScriptPubKeys(desc_spkm);
     318                 :             :             // save each range descriptor's end for possible future filter updates
     319   [ #  #  #  # ]:           0 :             if (desc_spkm->IsHDEnabled()) {
     320   [ #  #  #  #  :           0 :                 m_last_range_ends.emplace(desc_spkm->GetID(), desc_spkm->GetEndRange());
                   #  # ]
     321                 :           0 :             }
     322                 :           0 :         }
     323                 :           0 :     }
     324                 :             : 
     325                 :           0 :     void UpdateIfNeeded()
     326                 :             :     {
     327                 :             :         // repopulate filter with new scripts if top-up has happened since last iteration
     328         [ #  # ]:           0 :         for (const auto& [desc_spkm_id, last_range_end] : m_last_range_ends) {
     329   [ #  #  #  # ]:           0 :             auto desc_spkm{dynamic_cast<DescriptorScriptPubKeyMan*>(m_wallet.GetScriptPubKeyMan(desc_spkm_id))};
     330         [ #  # ]:           0 :             assert(desc_spkm != nullptr);
     331                 :           0 :             int32_t current_range_end{desc_spkm->GetEndRange()};
     332   [ #  #  #  # ]:           0 :             if (current_range_end > last_range_end) {
     333                 :           0 :                 AddScriptPubKeys(desc_spkm, last_range_end);
     334                 :           0 :                 m_last_range_ends.at(desc_spkm->GetID()) = current_range_end;
     335                 :           0 :             }
     336                 :           0 :         }
     337                 :           0 :     }
     338                 :             : 
     339                 :           0 :     std::optional<bool> MatchesBlock(const uint256& block_hash) const
     340                 :             :     {
     341                 :           0 :         return m_wallet.chain().blockFilterMatchesAny(BlockFilterType::BASIC, block_hash, m_filter_set);
     342                 :             :     }
     343                 :             : 
     344                 :             : private:
     345                 :             :     const CWallet& m_wallet;
     346                 :             :     /** Map for keeping track of each range descriptor's last seen end range.
     347                 :             :       * This information is used to detect whether new addresses were derived
     348                 :             :       * (that is, if the current end range is larger than the saved end range)
     349                 :             :       * after processing a block and hence a filter set update is needed to
     350                 :             :       * take possible keypool top-ups into account.
     351                 :             :       */
     352                 :             :     std::map<uint256, int32_t> m_last_range_ends;
     353                 :             :     GCSFilter::ElementSet m_filter_set;
     354                 :             : 
     355                 :           0 :     void AddScriptPubKeys(const DescriptorScriptPubKeyMan* desc_spkm, int32_t last_range_end = 0)
     356                 :             :     {
     357         [ #  # ]:           0 :         for (const auto& script_pub_key : desc_spkm->GetScriptPubKeys(last_range_end)) {
     358   [ #  #  #  #  :           0 :             m_filter_set.emplace(script_pub_key.begin(), script_pub_key.end());
                   #  # ]
     359                 :           0 :         }
     360                 :           0 :     }
     361                 :             : };
     362                 :             : } // namespace
     363                 :             : 
     364                 :           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)
     365                 :             : {
     366         [ #  # ]:           0 :     auto result = WITH_LOCK(g_loading_wallet_mutex, return g_loading_wallet_set.insert(name));
     367         [ #  # ]:           0 :     if (!result.second) {
     368   [ #  #  #  # ]:           0 :         error = Untranslated("Wallet already loading.");
     369                 :           0 :         status = DatabaseStatus::FAILED_LOAD;
     370                 :           0 :         return nullptr;
     371                 :             :     }
     372                 :           0 :     auto wallet = LoadWalletInternal(context, name, load_on_start, options, status, error, warnings);
     373   [ #  #  #  #  :           0 :     WITH_LOCK(g_loading_wallet_mutex, g_loading_wallet_set.erase(result.first));
                   #  # ]
     374                 :           0 :     return wallet;
     375         [ #  # ]:           0 : }
     376                 :             : 
     377                 :           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)
     378                 :             : {
     379                 :           0 :     uint64_t wallet_creation_flags = options.create_flags;
     380                 :           0 :     const SecureString& passphrase = options.create_passphrase;
     381                 :             : 
     382                 :           0 :     ArgsManager& args = *Assert(context.args);
     383                 :             : 
     384         [ #  # ]:           0 :     if (wallet_creation_flags & WALLET_FLAG_DESCRIPTORS) options.require_format = DatabaseFormat::SQLITE;
     385   [ #  #  #  #  :           0 :     else if (args.GetBoolArg("-swapbdbendian", false)) {
                   #  # ]
     386                 :           0 :         options.require_format = DatabaseFormat::BERKELEY_SWAP;
     387                 :           0 :     }
     388                 :             : 
     389                 :             :     // Indicate that the wallet is actually supposed to be blank and not just blank to make it encrypted
     390                 :           0 :     bool create_blank = (wallet_creation_flags & WALLET_FLAG_BLANK_WALLET);
     391                 :             : 
     392                 :             :     // Born encrypted wallets need to be created blank first.
     393         [ #  # ]:           0 :     if (!passphrase.empty()) {
     394                 :           0 :         wallet_creation_flags |= WALLET_FLAG_BLANK_WALLET;
     395                 :           0 :     }
     396                 :             : 
     397                 :             :     // Private keys must be disabled for an external signer wallet
     398   [ #  #  #  # ]:           0 :     if ((wallet_creation_flags & WALLET_FLAG_EXTERNAL_SIGNER) && !(wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
     399   [ #  #  #  # ]:           0 :         error = Untranslated("Private keys must be disabled when using an external signer");
     400                 :           0 :         status = DatabaseStatus::FAILED_CREATE;
     401                 :           0 :         return nullptr;
     402                 :             :     }
     403                 :             : 
     404                 :             :     // Descriptor support must be enabled for an external signer wallet
     405   [ #  #  #  # ]:           0 :     if ((wallet_creation_flags & WALLET_FLAG_EXTERNAL_SIGNER) && !(wallet_creation_flags & WALLET_FLAG_DESCRIPTORS)) {
     406   [ #  #  #  # ]:           0 :         error = Untranslated("Descriptor support must be enabled when using an external signer");
     407                 :           0 :         status = DatabaseStatus::FAILED_CREATE;
     408                 :           0 :         return nullptr;
     409                 :             :     }
     410                 :             : 
     411                 :             :     // Do not allow a passphrase when private keys are disabled
     412   [ #  #  #  # ]:           0 :     if (!passphrase.empty() && (wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
     413   [ #  #  #  # ]:           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.");
     414                 :           0 :         status = DatabaseStatus::FAILED_CREATE;
     415                 :           0 :         return nullptr;
     416                 :             :     }
     417                 :             : 
     418                 :             :     // Wallet::Verify will check if we're trying to create a wallet with a duplicate name.
     419                 :           0 :     std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(name, options, status, error);
     420         [ #  # ]:           0 :     if (!database) {
     421   [ #  #  #  #  :           0 :         error = Untranslated("Wallet file verification failed.") + Untranslated(" ") + error;
          #  #  #  #  #  
                #  #  # ]
     422                 :           0 :         status = DatabaseStatus::FAILED_VERIFY;
     423                 :           0 :         return nullptr;
     424                 :             :     }
     425                 :             : 
     426                 :             :     // Make the wallet
     427   [ #  #  #  # ]:           0 :     context.chain->initMessage(_("Loading wallet…").translated);
     428         [ #  # ]:           0 :     std::shared_ptr<CWallet> wallet = CWallet::Create(context, name, std::move(database), wallet_creation_flags, error, warnings);
     429         [ #  # ]:           0 :     if (!wallet) {
     430   [ #  #  #  #  :           0 :         error = Untranslated("Wallet creation failed.") + Untranslated(" ") + error;
          #  #  #  #  #  
                #  #  # ]
     431                 :           0 :         status = DatabaseStatus::FAILED_CREATE;
     432                 :           0 :         return nullptr;
     433                 :             :     }
     434                 :             : 
     435                 :             :     // Encrypt the wallet
     436   [ #  #  #  # ]:           0 :     if (!passphrase.empty() && !(wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
     437   [ #  #  #  # ]:           0 :         if (!wallet->EncryptWallet(passphrase)) {
     438   [ #  #  #  # ]:           0 :             error = Untranslated("Error: Wallet created but failed to encrypt.");
     439                 :           0 :             status = DatabaseStatus::FAILED_ENCRYPT;
     440                 :           0 :             return nullptr;
     441                 :             :         }
     442         [ #  # ]:           0 :         if (!create_blank) {
     443                 :             :             // Unlock the wallet
     444   [ #  #  #  # ]:           0 :             if (!wallet->Unlock(passphrase)) {
     445   [ #  #  #  # ]:           0 :                 error = Untranslated("Error: Wallet was encrypted but could not be unlocked");
     446                 :           0 :                 status = DatabaseStatus::FAILED_ENCRYPT;
     447                 :           0 :                 return nullptr;
     448                 :             :             }
     449                 :             : 
     450                 :             :             // Set a seed for the wallet
     451                 :             :             {
     452   [ #  #  #  # ]:           0 :                 LOCK(wallet->cs_wallet);
     453   [ #  #  #  # ]:           0 :                 if (wallet->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
     454         [ #  # ]:           0 :                     wallet->SetupDescriptorScriptPubKeyMans();
     455                 :           0 :                 } else {
     456   [ #  #  #  #  :           0 :                     for (auto spk_man : wallet->GetActiveScriptPubKeyMans()) {
                   #  # ]
     457   [ #  #  #  # ]:           0 :                         if (!spk_man->SetupGeneration()) {
     458   [ #  #  #  # ]:           0 :                             error = Untranslated("Unable to generate initial keys");
     459                 :           0 :                             status = DatabaseStatus::FAILED_CREATE;
     460                 :           0 :                             return nullptr;
     461                 :             :                         }
     462         [ #  # ]:           0 :                     }
     463                 :             :                 }
     464         [ #  # ]:           0 :             }
     465                 :             : 
     466                 :             :             // Relock the wallet
     467         [ #  # ]:           0 :             wallet->Lock();
     468                 :           0 :         }
     469                 :           0 :     }
     470                 :             : 
     471         [ #  # ]:           0 :     NotifyWalletLoaded(context, wallet);
     472         [ #  # ]:           0 :     AddWallet(context, wallet);
     473         [ #  # ]:           0 :     wallet->postInitProcess();
     474                 :             : 
     475                 :             :     // Write the wallet settings
     476         [ #  # ]:           0 :     UpdateWalletSetting(*context.chain, name, load_on_start, warnings);
     477                 :             : 
     478                 :             :     // Legacy wallets are being deprecated, warn if a newly created wallet is legacy
     479         [ #  # ]:           0 :     if (!(wallet_creation_flags & WALLET_FLAG_DESCRIPTORS)) {
     480   [ #  #  #  # ]:           0 :         warnings.push_back(_("Wallet created successfully. The legacy wallet type is being deprecated and support for creating and opening legacy wallets will be removed in the future."));
     481                 :           0 :     }
     482                 :             : 
     483                 :           0 :     status = DatabaseStatus::SUCCESS;
     484                 :           0 :     return wallet;
     485                 :           0 : }
     486                 :             : 
     487                 :           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)
     488                 :             : {
     489                 :           0 :     DatabaseOptions options;
     490         [ #  # ]:           0 :     ReadDatabaseArgs(*context.args, options);
     491                 :           0 :     options.require_existing = true;
     492                 :             : 
     493   [ #  #  #  #  :           0 :     const fs::path wallet_path = fsbridge::AbsPathJoin(GetWalletDir(), fs::u8path(wallet_name));
                   #  # ]
     494   [ #  #  #  # ]:           0 :     auto wallet_file = wallet_path / "wallet.dat";
     495                 :           0 :     std::shared_ptr<CWallet> wallet;
     496                 :             : 
     497                 :             :     try {
     498   [ #  #  #  # ]:           0 :         if (!fs::exists(backup_file)) {
     499   [ #  #  #  # ]:           0 :             error = Untranslated("Backup file does not exist");
     500                 :           0 :             status = DatabaseStatus::FAILED_INVALID_BACKUP_FILE;
     501                 :           0 :             return nullptr;
     502                 :             :         }
     503                 :             : 
     504   [ #  #  #  #  :           0 :         if (fs::exists(wallet_path) || !TryCreateDirectories(wallet_path)) {
             #  #  #  # ]
     505   [ #  #  #  #  :           0 :             error = Untranslated(strprintf("Failed to create database path '%s'. Database already exists.", fs::PathToString(wallet_path)));
                   #  # ]
     506                 :           0 :             status = DatabaseStatus::FAILED_ALREADY_EXISTS;
     507                 :           0 :             return nullptr;
     508                 :             :         }
     509                 :             : 
     510         [ #  # ]:           0 :         fs::copy_file(backup_file, wallet_file, fs::copy_options::none);
     511                 :             : 
     512         [ #  # ]:           0 :         wallet = LoadWallet(context, wallet_name, load_on_start, options, status, error, warnings);
     513         [ #  # ]:           0 :     } catch (const std::exception& e) {
     514         [ #  # ]:           0 :         assert(!wallet);
     515   [ #  #  #  #  :           0 :         if (!error.empty()) error += Untranslated("\n");
          #  #  #  #  #  
                      # ]
     516   [ #  #  #  #  :           0 :         error += strprintf(Untranslated("Unexpected exception: %s"), e.what());
             #  #  #  # ]
     517   [ #  #  #  # ]:           0 :     }
     518         [ #  # ]:           0 :     if (!wallet) {
     519         [ #  # ]:           0 :         fs::remove_all(wallet_path);
     520                 :           0 :     }
     521                 :             : 
     522                 :           0 :     return wallet;
     523                 :           0 : }
     524                 :             : 
     525                 :             : /** @defgroup mapWallet
     526                 :             :  *
     527                 :             :  * @{
     528                 :             :  */
     529                 :             : 
     530                 :      512295 : const CWalletTx* CWallet::GetWalletTx(const uint256& hash) const
     531                 :             : {
     532                 :      512295 :     AssertLockHeld(cs_wallet);
     533                 :      512295 :     const auto it = mapWallet.find(hash);
     534         [ +  + ]:      512295 :     if (it == mapWallet.end())
     535                 :       57249 :         return nullptr;
     536                 :      455046 :     return &(it->second);
     537                 :      512295 : }
     538                 :             : 
     539                 :           0 : void CWallet::UpgradeKeyMetadata()
     540                 :             : {
     541   [ #  #  #  # ]:           0 :     if (IsLocked() || IsWalletFlagSet(WALLET_FLAG_KEY_ORIGIN_METADATA)) {
     542                 :           0 :         return;
     543                 :             :     }
     544                 :             : 
     545                 :           0 :     auto spk_man = GetLegacyScriptPubKeyMan();
     546         [ #  # ]:           0 :     if (!spk_man) {
     547                 :           0 :         return;
     548                 :             :     }
     549                 :             : 
     550                 :           0 :     spk_man->UpgradeKeyMetadata();
     551                 :           0 :     SetWalletFlag(WALLET_FLAG_KEY_ORIGIN_METADATA);
     552         [ #  # ]:           0 : }
     553                 :             : 
     554                 :           0 : void CWallet::UpgradeDescriptorCache()
     555                 :             : {
     556   [ #  #  #  #  :           0 :     if (!IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS) || IsLocked() || IsWalletFlagSet(WALLET_FLAG_LAST_HARDENED_XPUB_CACHED)) {
                   #  # ]
     557                 :           0 :         return;
     558                 :             :     }
     559                 :             : 
     560         [ #  # ]:           0 :     for (ScriptPubKeyMan* spkm : GetAllScriptPubKeyMans()) {
     561         [ #  # ]:           0 :         DescriptorScriptPubKeyMan* desc_spkm = dynamic_cast<DescriptorScriptPubKeyMan*>(spkm);
     562         [ #  # ]:           0 :         desc_spkm->UpgradeDescriptorCache();
     563                 :           0 :     }
     564                 :           0 :     SetWalletFlag(WALLET_FLAG_LAST_HARDENED_XPUB_CACHED);
     565                 :           0 : }
     566                 :             : 
     567                 :           0 : bool CWallet::Unlock(const SecureString& strWalletPassphrase)
     568                 :             : {
     569                 :           0 :     CCrypter crypter;
     570                 :           0 :     CKeyingMaterial _vMasterKey;
     571                 :             : 
     572                 :             :     {
     573   [ #  #  #  # ]:           0 :         LOCK(cs_wallet);
     574   [ #  #  #  # ]:           0 :         for (const MasterKeyMap::value_type& pMasterKey : mapMasterKeys)
     575                 :             :         {
     576   [ #  #  #  # ]:           0 :             if(!crypter.SetKeyFromPassphrase(strWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
     577                 :           0 :                 return false;
     578   [ #  #  #  # ]:           0 :             if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, _vMasterKey))
     579                 :           0 :                 continue; // try another master key
     580   [ #  #  #  # ]:           0 :             if (Unlock(_vMasterKey)) {
     581                 :             :                 // Now that we've unlocked, upgrade the key metadata
     582         [ #  # ]:           0 :                 UpgradeKeyMetadata();
     583                 :             :                 // Now that we've unlocked, upgrade the descriptor cache
     584         [ #  # ]:           0 :                 UpgradeDescriptorCache();
     585                 :           0 :                 return true;
     586                 :             :             }
     587      [ #  #  # ]:           0 :         }
     588         [ #  # ]:           0 :     }
     589                 :           0 :     return false;
     590                 :           0 : }
     591                 :             : 
     592                 :           0 : bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase)
     593                 :             : {
     594                 :           0 :     bool fWasLocked = IsLocked();
     595                 :             : 
     596                 :             :     {
     597   [ #  #  #  # ]:           0 :         LOCK2(m_relock_mutex, cs_wallet);
     598         [ #  # ]:           0 :         Lock();
     599                 :             : 
     600         [ #  # ]:           0 :         CCrypter crypter;
     601                 :           0 :         CKeyingMaterial _vMasterKey;
     602   [ #  #  #  # ]:           0 :         for (MasterKeyMap::value_type& pMasterKey : mapMasterKeys)
     603                 :             :         {
     604   [ #  #  #  # ]:           0 :             if(!crypter.SetKeyFromPassphrase(strOldWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
     605                 :           0 :                 return false;
     606   [ #  #  #  # ]:           0 :             if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, _vMasterKey))
     607                 :           0 :                 return false;
     608   [ #  #  #  # ]:           0 :             if (Unlock(_vMasterKey))
     609                 :             :             {
     610                 :           0 :                 constexpr MillisecondsDouble target{100};
     611                 :           0 :                 auto start{SteadyClock::now()};
     612         [ #  # ]:           0 :                 crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod);
     613   [ #  #  #  #  :           0 :                 pMasterKey.second.nDeriveIterations = static_cast<unsigned int>(pMasterKey.second.nDeriveIterations * target / (SteadyClock::now() - start));
                   #  # ]
     614                 :             : 
     615                 :           0 :                 start = SteadyClock::now();
     616         [ #  # ]:           0 :                 crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod);
     617   [ #  #  #  #  :           0 :                 pMasterKey.second.nDeriveIterations = (pMasterKey.second.nDeriveIterations + static_cast<unsigned int>(pMasterKey.second.nDeriveIterations * target / (SteadyClock::now() - start))) / 2;
                   #  # ]
     618                 :             : 
     619         [ #  # ]:           0 :                 if (pMasterKey.second.nDeriveIterations < 25000)
     620                 :           0 :                     pMasterKey.second.nDeriveIterations = 25000;
     621                 :             : 
     622         [ #  # ]:           0 :                 WalletLogPrintf("Wallet passphrase changed to an nDeriveIterations of %i\n", pMasterKey.second.nDeriveIterations);
     623                 :             : 
     624   [ #  #  #  # ]:           0 :                 if (!crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
     625                 :           0 :                     return false;
     626   [ #  #  #  # ]:           0 :                 if (!crypter.Encrypt(_vMasterKey, pMasterKey.second.vchCryptedKey))
     627                 :           0 :                     return false;
     628   [ #  #  #  #  :           0 :                 WalletBatch(GetDatabase()).WriteMasterKey(pMasterKey.first, pMasterKey.second);
                   #  # ]
     629         [ #  # ]:           0 :                 if (fWasLocked)
     630         [ #  # ]:           0 :                     Lock();
     631                 :           0 :                 return true;
     632                 :           0 :             }
     633         [ #  # ]:           0 :         }
     634         [ #  # ]:           0 :     }
     635                 :             : 
     636                 :           0 :     return false;
     637                 :           0 : }
     638                 :             : 
     639                 :           0 : void CWallet::chainStateFlushed(ChainstateRole role, const CBlockLocator& loc)
     640                 :             : {
     641                 :             :     // Don't update the best block until the chain is attached so that in case of a shutdown,
     642                 :             :     // the rescan will be restarted at next startup.
     643   [ #  #  #  # ]:           0 :     if (m_attaching_chain || role == ChainstateRole::BACKGROUND) {
     644                 :           0 :         return;
     645                 :             :     }
     646                 :           0 :     WalletBatch batch(GetDatabase());
     647         [ #  # ]:           0 :     batch.WriteBestBlock(loc);
     648                 :           0 : }
     649                 :             : 
     650                 :           0 : void CWallet::SetMinVersion(enum WalletFeature nVersion, WalletBatch* batch_in)
     651                 :             : {
     652                 :           0 :     LOCK(cs_wallet);
     653         [ #  # ]:           0 :     if (nWalletVersion >= nVersion)
     654                 :           0 :         return;
     655         [ #  # ]:           0 :     WalletLogPrintf("Setting minversion to %d\n", nVersion);
     656                 :           0 :     nWalletVersion = nVersion;
     657                 :             : 
     658                 :             :     {
     659   [ #  #  #  #  :           0 :         WalletBatch* batch = batch_in ? batch_in : new WalletBatch(GetDatabase());
          #  #  #  #  #  
                      # ]
     660         [ #  # ]:           0 :         if (nWalletVersion > 40000)
     661         [ #  # ]:           0 :             batch->WriteMinVersion(nWalletVersion);
     662         [ #  # ]:           0 :         if (!batch_in)
     663         [ #  # ]:           0 :             delete batch;
     664                 :           0 :     }
     665         [ #  # ]:           0 : }
     666                 :             : 
     667                 :           0 : std::set<uint256> CWallet::GetConflicts(const uint256& txid) const
     668                 :             : {
     669                 :           0 :     std::set<uint256> result;
     670         [ #  # ]:           0 :     AssertLockHeld(cs_wallet);
     671                 :             : 
     672         [ #  # ]:           0 :     const auto it = mapWallet.find(txid);
     673         [ #  # ]:           0 :     if (it == mapWallet.end())
     674                 :           0 :         return result;
     675                 :           0 :     const CWalletTx& wtx = it->second;
     676                 :             : 
     677         [ #  # ]:           0 :     std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range;
     678                 :             : 
     679         [ #  # ]:           0 :     for (const CTxIn& txin : wtx.tx->vin)
     680                 :             :     {
     681   [ #  #  #  # ]:           0 :         if (mapTxSpends.count(txin.prevout) <= 1)
     682                 :           0 :             continue;  // No conflict if zero or one spends
     683         [ #  # ]:           0 :         range = mapTxSpends.equal_range(txin.prevout);
     684         [ #  # ]:           0 :         for (TxSpends::const_iterator _it = range.first; _it != range.second; ++_it)
     685         [ #  # ]:           0 :             result.insert(_it->second);
     686      [ #  #  # ]:           0 :     }
     687                 :           0 :     return result;
     688         [ #  # ]:           0 : }
     689                 :             : 
     690                 :           0 : bool CWallet::HasWalletSpend(const CTransactionRef& tx) const
     691                 :             : {
     692                 :           0 :     AssertLockHeld(cs_wallet);
     693                 :           0 :     const Txid& txid = tx->GetHash();
     694   [ #  #  #  # ]:           0 :     for (unsigned int i = 0; i < tx->vout.size(); ++i) {
     695         [ #  # ]:           0 :         if (IsSpent(COutPoint(txid, i))) {
     696                 :           0 :             return true;
     697                 :             :         }
     698                 :           0 :     }
     699                 :           0 :     return false;
     700                 :           0 : }
     701                 :             : 
     702                 :           0 : void CWallet::Flush()
     703                 :             : {
     704                 :           0 :     GetDatabase().Flush();
     705                 :           0 : }
     706                 :             : 
     707                 :           0 : void CWallet::Close()
     708                 :             : {
     709                 :           0 :     GetDatabase().Close();
     710                 :           0 : }
     711                 :             : 
     712                 :      574983 : void CWallet::SyncMetaData(std::pair<TxSpends::iterator, TxSpends::iterator> range)
     713                 :             : {
     714                 :             :     // We want all the wallet transactions in range to have the same metadata as
     715                 :             :     // the oldest (smallest nOrderPos).
     716                 :             :     // So: find smallest nOrderPos:
     717                 :             : 
     718                 :      574983 :     int nMinOrderPos = std::numeric_limits<int>::max();
     719                 :      574983 :     const CWalletTx* copyFrom = nullptr;
     720         [ +  + ]:     1149966 :     for (TxSpends::iterator it = range.first; it != range.second; ++it) {
     721                 :      574983 :         const CWalletTx* wtx = &mapWallet.at(it->second);
     722         [ -  + ]:      574983 :         if (wtx->nOrderPos < nMinOrderPos) {
     723                 :      574983 :             nMinOrderPos = wtx->nOrderPos;
     724                 :      574983 :             copyFrom = wtx;
     725                 :      574983 :         }
     726                 :      574983 :     }
     727                 :             : 
     728         [ +  - ]:      574983 :     if (!copyFrom) {
     729                 :           0 :         return;
     730                 :             :     }
     731                 :             : 
     732                 :             :     // Now copy data from copyFrom to rest:
     733         [ +  + ]:     1149966 :     for (TxSpends::iterator it = range.first; it != range.second; ++it)
     734                 :             :     {
     735                 :      574983 :         const uint256& hash = it->second;
     736                 :      574983 :         CWalletTx* copyTo = &mapWallet.at(hash);
     737         [ -  + ]:      574983 :         if (copyFrom == copyTo) continue;
     738   [ #  #  #  # ]:           0 :         assert(copyFrom && "Oldest wallet transaction in range assumed to have been found.");
     739         [ #  # ]:           0 :         if (!copyFrom->IsEquivalentTo(*copyTo)) continue;
     740                 :           0 :         copyTo->mapValue = copyFrom->mapValue;
     741                 :           0 :         copyTo->vOrderForm = copyFrom->vOrderForm;
     742                 :             :         // fTimeReceivedIsTxTime not copied on purpose
     743                 :             :         // nTimeReceived not copied on purpose
     744                 :           0 :         copyTo->nTimeSmart = copyFrom->nTimeSmart;
     745                 :           0 :         copyTo->fFromMe = copyFrom->fFromMe;
     746                 :             :         // nOrderPos not copied on purpose
     747                 :             :         // cached members not copied on purpose
     748         [ +  - ]:      574983 :     }
     749                 :      574983 : }
     750                 :             : 
     751                 :             : /**
     752                 :             :  * Outpoint is spent if any non-conflicted transaction
     753                 :             :  * spends it:
     754                 :             :  */
     755                 :    25972218 : bool CWallet::IsSpent(const COutPoint& outpoint) const
     756                 :             : {
     757                 :    25972218 :     std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range;
     758                 :    25972218 :     range = mapTxSpends.equal_range(outpoint);
     759                 :             : 
     760   [ +  +  +  + ]:    45627862 :     for (TxSpends::const_iterator it = range.first; it != range.second; ++it) {
     761                 :    19655644 :         const uint256& wtxid = it->second;
     762                 :    19655644 :         const auto mit = mapWallet.find(wtxid);
     763         [ -  + ]:    19655644 :         if (mit != mapWallet.end()) {
     764                 :    19655644 :             const auto& wtx = mit->second;
     765   [ +  -  +  -  :    19655644 :             if (!wtx.isAbandoned() && !wtx.isBlockConflicted() && !wtx.isMempoolConflicted())
                   -  + ]
     766                 :    19655644 :                 return true; // Spent
     767         [ +  - ]:    19655644 :         }
     768         [ +  - ]:    19655644 :     }
     769                 :     6316574 :     return false;
     770                 :    25972218 : }
     771                 :             : 
     772                 :      574983 : void CWallet::AddToSpends(const COutPoint& outpoint, const uint256& wtxid, WalletBatch* batch)
     773                 :             : {
     774                 :      574983 :     mapTxSpends.insert(std::make_pair(outpoint, wtxid));
     775                 :             : 
     776         [ +  - ]:      574983 :     if (batch) {
     777                 :      574983 :         UnlockCoin(outpoint, batch);
     778                 :      574983 :     } else {
     779                 :           0 :         WalletBatch temp_batch(GetDatabase());
     780         [ #  # ]:           0 :         UnlockCoin(outpoint, &temp_batch);
     781                 :           0 :     }
     782                 :             : 
     783                 :      574983 :     std::pair<TxSpends::iterator, TxSpends::iterator> range;
     784                 :      574983 :     range = mapTxSpends.equal_range(outpoint);
     785                 :      574983 :     SyncMetaData(range);
     786                 :      574983 : }
     787                 :             : 
     788                 :             : 
     789                 :      145160 : void CWallet::AddToSpends(const CWalletTx& wtx, WalletBatch* batch)
     790                 :             : {
     791         [ -  + ]:      145160 :     if (wtx.IsCoinBase()) // Coinbases don't spend anything!
     792                 :           0 :         return;
     793                 :             : 
     794         [ +  + ]:      720143 :     for (const CTxIn& txin : wtx.tx->vin)
     795                 :      574983 :         AddToSpends(txin.prevout, wtx.GetHash(), batch);
     796                 :      145160 : }
     797                 :             : 
     798                 :           0 : bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
     799                 :             : {
     800         [ #  # ]:           0 :     if (IsCrypted())
     801                 :           0 :         return false;
     802                 :             : 
     803                 :           0 :     CKeyingMaterial _vMasterKey;
     804                 :             : 
     805         [ #  # ]:           0 :     _vMasterKey.resize(WALLET_CRYPTO_KEY_SIZE);
     806         [ #  # ]:           0 :     GetStrongRandBytes(_vMasterKey);
     807                 :             : 
     808         [ #  # ]:           0 :     CMasterKey kMasterKey;
     809                 :             : 
     810         [ #  # ]:           0 :     kMasterKey.vchSalt.resize(WALLET_CRYPTO_SALT_SIZE);
     811         [ #  # ]:           0 :     GetStrongRandBytes(kMasterKey.vchSalt);
     812                 :             : 
     813         [ #  # ]:           0 :     CCrypter crypter;
     814                 :           0 :     constexpr MillisecondsDouble target{100};
     815                 :           0 :     auto start{SteadyClock::now()};
     816         [ #  # ]:           0 :     crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, 25000, kMasterKey.nDerivationMethod);
     817   [ #  #  #  #  :           0 :     kMasterKey.nDeriveIterations = static_cast<unsigned int>(25000 * target / (SteadyClock::now() - start));
                   #  # ]
     818                 :             : 
     819                 :           0 :     start = SteadyClock::now();
     820         [ #  # ]:           0 :     crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod);
     821   [ #  #  #  #  :           0 :     kMasterKey.nDeriveIterations = (kMasterKey.nDeriveIterations + static_cast<unsigned int>(kMasterKey.nDeriveIterations * target / (SteadyClock::now() - start))) / 2;
                   #  # ]
     822                 :             : 
     823         [ #  # ]:           0 :     if (kMasterKey.nDeriveIterations < 25000)
     824                 :           0 :         kMasterKey.nDeriveIterations = 25000;
     825                 :             : 
     826         [ #  # ]:           0 :     WalletLogPrintf("Encrypting Wallet with an nDeriveIterations of %i\n", kMasterKey.nDeriveIterations);
     827                 :             : 
     828   [ #  #  #  # ]:           0 :     if (!crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod))
     829                 :           0 :         return false;
     830   [ #  #  #  # ]:           0 :     if (!crypter.Encrypt(_vMasterKey, kMasterKey.vchCryptedKey))
     831                 :           0 :         return false;
     832                 :             : 
     833                 :             :     {
     834   [ #  #  #  #  :           0 :         LOCK2(m_relock_mutex, cs_wallet);
             #  #  #  # ]
     835   [ #  #  #  # ]:           0 :         mapMasterKeys[++nMasterKeyMaxID] = kMasterKey;
     836   [ #  #  #  #  :           0 :         WalletBatch* encrypted_batch = new WalletBatch(GetDatabase());
                   #  # ]
     837   [ #  #  #  # ]:           0 :         if (!encrypted_batch->TxnBegin()) {
     838         [ #  # ]:           0 :             delete encrypted_batch;
     839                 :           0 :             encrypted_batch = nullptr;
     840                 :           0 :             return false;
     841                 :             :         }
     842         [ #  # ]:           0 :         encrypted_batch->WriteMasterKey(nMasterKeyMaxID, kMasterKey);
     843                 :             : 
     844         [ #  # ]:           0 :         for (const auto& spk_man_pair : m_spk_managers) {
     845                 :           0 :             auto spk_man = spk_man_pair.second.get();
     846   [ #  #  #  # ]:           0 :             if (!spk_man->Encrypt(_vMasterKey, encrypted_batch)) {
     847         [ #  # ]:           0 :                 encrypted_batch->TxnAbort();
     848         [ #  # ]:           0 :                 delete encrypted_batch;
     849                 :           0 :                 encrypted_batch = nullptr;
     850                 :             :                 // We now probably have half of our keys encrypted in memory, and half not...
     851                 :             :                 // die and let the user reload the unencrypted wallet.
     852                 :           0 :                 assert(false);
     853                 :             :             }
     854                 :           0 :         }
     855                 :             : 
     856                 :             :         // Encryption was introduced in version 0.4.0
     857         [ #  # ]:           0 :         SetMinVersion(FEATURE_WALLETCRYPT, encrypted_batch);
     858                 :             : 
     859   [ #  #  #  # ]:           0 :         if (!encrypted_batch->TxnCommit()) {
     860         [ #  # ]:           0 :             delete encrypted_batch;
     861                 :           0 :             encrypted_batch = nullptr;
     862                 :             :             // We now have keys encrypted in memory, but not on disk...
     863                 :             :             // die to avoid confusion and let the user reload the unencrypted wallet.
     864                 :           0 :             assert(false);
     865                 :             :         }
     866                 :             : 
     867         [ #  # ]:           0 :         delete encrypted_batch;
     868                 :           0 :         encrypted_batch = nullptr;
     869                 :             : 
     870         [ #  # ]:           0 :         Lock();
     871         [ #  # ]:           0 :         Unlock(strWalletPassphrase);
     872                 :             : 
     873                 :             :         // If we are using descriptors, make new descriptors with a new seed
     874   [ #  #  #  #  :           0 :         if (IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS) && !IsWalletFlagSet(WALLET_FLAG_BLANK_WALLET)) {
             #  #  #  # ]
     875         [ #  # ]:           0 :             SetupDescriptorScriptPubKeyMans();
     876   [ #  #  #  #  :           0 :         } else if (auto spk_man = GetLegacyScriptPubKeyMan()) {
                   #  # ]
     877                 :             :             // if we are using HD, replace the HD seed with a new one
     878   [ #  #  #  # ]:           0 :             if (spk_man->IsHDEnabled()) {
     879   [ #  #  #  # ]:           0 :                 if (!spk_man->SetupGeneration(true)) {
     880                 :           0 :                     return false;
     881                 :             :                 }
     882                 :           0 :             }
     883                 :           0 :         }
     884         [ #  # ]:           0 :         Lock();
     885                 :             : 
     886                 :             :         // Need to completely rewrite the wallet file; if we don't, bdb might keep
     887                 :             :         // bits of the unencrypted private key in slack space in the database file.
     888   [ #  #  #  # ]:           0 :         GetDatabase().Rewrite();
     889                 :             : 
     890                 :             :         // BDB seems to have a bad habit of writing old data into
     891                 :             :         // slack space in .dat files; that is bad if the old data is
     892                 :             :         // unencrypted private keys. So:
     893   [ #  #  #  # ]:           0 :         GetDatabase().ReloadDbEnv();
     894                 :             : 
     895         [ #  # ]:           0 :     }
     896         [ #  # ]:           0 :     NotifyStatusChanged(this);
     897                 :             : 
     898                 :           0 :     return true;
     899                 :           0 : }
     900                 :             : 
     901                 :           0 : DBErrors CWallet::ReorderTransactions()
     902                 :             : {
     903                 :           0 :     LOCK(cs_wallet);
     904   [ #  #  #  # ]:           0 :     WalletBatch batch(GetDatabase());
     905                 :             : 
     906                 :             :     // Old wallets didn't have any defined order for transactions
     907                 :             :     // Probably a bad idea to change the output of this
     908                 :             : 
     909                 :             :     // First: get all CWalletTx into a sorted-by-time multimap.
     910                 :             :     typedef std::multimap<int64_t, CWalletTx*> TxItems;
     911                 :           0 :     TxItems txByTime;
     912                 :             : 
     913         [ #  # ]:           0 :     for (auto& entry : mapWallet)
     914                 :             :     {
     915                 :           0 :         CWalletTx* wtx = &entry.second;
     916   [ #  #  #  # ]:           0 :         txByTime.insert(std::make_pair(wtx->nTimeReceived, wtx));
     917                 :           0 :     }
     918                 :             : 
     919                 :           0 :     nOrderPosNext = 0;
     920                 :           0 :     std::vector<int64_t> nOrderPosOffsets;
     921   [ #  #  #  # ]:           0 :     for (TxItems::iterator it = txByTime.begin(); it != txByTime.end(); ++it)
     922                 :             :     {
     923                 :           0 :         CWalletTx *const pwtx = (*it).second;
     924                 :           0 :         int64_t& nOrderPos = pwtx->nOrderPos;
     925                 :             : 
     926         [ #  # ]:           0 :         if (nOrderPos == -1)
     927                 :             :         {
     928                 :           0 :             nOrderPos = nOrderPosNext++;
     929         [ #  # ]:           0 :             nOrderPosOffsets.push_back(nOrderPos);
     930                 :             : 
     931   [ #  #  #  # ]:           0 :             if (!batch.WriteTx(*pwtx))
     932                 :           0 :                 return DBErrors::LOAD_FAIL;
     933                 :           0 :         }
     934                 :             :         else
     935                 :             :         {
     936                 :           0 :             int64_t nOrderPosOff = 0;
     937         [ #  # ]:           0 :             for (const int64_t& nOffsetStart : nOrderPosOffsets)
     938                 :             :             {
     939         [ #  # ]:           0 :                 if (nOrderPos >= nOffsetStart)
     940                 :           0 :                     ++nOrderPosOff;
     941                 :           0 :             }
     942                 :           0 :             nOrderPos += nOrderPosOff;
     943         [ #  # ]:           0 :             nOrderPosNext = std::max(nOrderPosNext, nOrderPos + 1);
     944                 :             : 
     945         [ #  # ]:           0 :             if (!nOrderPosOff)
     946                 :           0 :                 continue;
     947                 :             : 
     948                 :             :             // Since we're changing the order, write it back
     949   [ #  #  #  # ]:           0 :             if (!batch.WriteTx(*pwtx))
     950                 :           0 :                 return DBErrors::LOAD_FAIL;
     951         [ #  # ]:           0 :         }
     952      [ #  #  # ]:           0 :     }
     953         [ #  # ]:           0 :     batch.WriteOrderPosNext(nOrderPosNext);
     954                 :             : 
     955                 :           0 :     return DBErrors::LOAD_OK;
     956                 :           0 : }
     957                 :             : 
     958                 :      145160 : int64_t CWallet::IncOrderPosNext(WalletBatch* batch)
     959                 :             : {
     960                 :      145160 :     AssertLockHeld(cs_wallet);
     961                 :      145160 :     int64_t nRet = nOrderPosNext++;
     962         [ +  - ]:      145160 :     if (batch) {
     963                 :      145160 :         batch->WriteOrderPosNext(nOrderPosNext);
     964                 :      145160 :     } else {
     965         [ #  # ]:           0 :         WalletBatch(GetDatabase()).WriteOrderPosNext(nOrderPosNext);
     966                 :             :     }
     967                 :      290320 :     return nRet;
     968                 :      145160 : }
     969                 :             : 
     970                 :           0 : void CWallet::MarkDirty()
     971                 :             : {
     972                 :             :     {
     973                 :           0 :         LOCK(cs_wallet);
     974         [ #  # ]:           0 :         for (std::pair<const uint256, CWalletTx>& item : mapWallet)
     975         [ #  # ]:           0 :             item.second.MarkDirty();
     976                 :           0 :     }
     977                 :           0 : }
     978                 :             : 
     979                 :           0 : bool CWallet::MarkReplaced(const uint256& originalHash, const uint256& newHash)
     980                 :             : {
     981                 :           0 :     LOCK(cs_wallet);
     982                 :             : 
     983         [ #  # ]:           0 :     auto mi = mapWallet.find(originalHash);
     984                 :             : 
     985                 :             :     // There is a bug if MarkReplaced is not called on an existing wallet transaction.
     986         [ #  # ]:           0 :     assert(mi != mapWallet.end());
     987                 :             : 
     988                 :           0 :     CWalletTx& wtx = (*mi).second;
     989                 :             : 
     990                 :             :     // Ensure for now that we're not overwriting data
     991   [ #  #  #  #  :           0 :     assert(wtx.mapValue.count("replaced_by_txid") == 0);
                   #  # ]
     992                 :             : 
     993   [ #  #  #  #  :           0 :     wtx.mapValue["replaced_by_txid"] = newHash.ToString();
                   #  # ]
     994                 :             : 
     995                 :             :     // Refresh mempool status without waiting for transactionRemovedFromMempool or transactionAddedToMempool
     996   [ #  #  #  # ]:           0 :     RefreshMempoolStatus(wtx, chain());
     997                 :             : 
     998   [ #  #  #  # ]:           0 :     WalletBatch batch(GetDatabase());
     999                 :             : 
    1000                 :           0 :     bool success = true;
    1001   [ #  #  #  # ]:           0 :     if (!batch.WriteTx(wtx)) {
    1002   [ #  #  #  #  :           0 :         WalletLogPrintf("%s: Updating batch tx %s failed\n", __func__, wtx.GetHash().ToString());
                   #  # ]
    1003                 :           0 :         success = false;
    1004                 :           0 :     }
    1005                 :             : 
    1006         [ #  # ]:           0 :     NotifyTransactionChanged(originalHash, CT_UPDATED);
    1007                 :             : 
    1008                 :           0 :     return success;
    1009                 :           0 : }
    1010                 :             : 
    1011                 :           0 : void CWallet::SetSpentKeyState(WalletBatch& batch, const uint256& hash, unsigned int n, bool used, std::set<CTxDestination>& tx_destinations)
    1012                 :             : {
    1013                 :           0 :     AssertLockHeld(cs_wallet);
    1014                 :           0 :     const CWalletTx* srctx = GetWalletTx(hash);
    1015         [ #  # ]:           0 :     if (!srctx) return;
    1016                 :             : 
    1017                 :           0 :     CTxDestination dst;
    1018   [ #  #  #  # ]:           0 :     if (ExtractDestination(srctx->tx->vout[n].scriptPubKey, dst)) {
    1019   [ #  #  #  # ]:           0 :         if (IsMine(dst)) {
    1020   [ #  #  #  # ]:           0 :             if (used != IsAddressPreviouslySpent(dst)) {
    1021         [ #  # ]:           0 :                 if (used) {
    1022         [ #  # ]:           0 :                     tx_destinations.insert(dst);
    1023                 :           0 :                 }
    1024         [ #  # ]:           0 :                 SetAddressPreviouslySpent(batch, dst, used);
    1025                 :           0 :             }
    1026                 :           0 :         }
    1027                 :           0 :     }
    1028         [ #  # ]:           0 : }
    1029                 :             : 
    1030                 :           0 : bool CWallet::IsSpentKey(const CScript& scriptPubKey) const
    1031                 :             : {
    1032                 :           0 :     AssertLockHeld(cs_wallet);
    1033                 :           0 :     CTxDestination dest;
    1034   [ #  #  #  # ]:           0 :     if (!ExtractDestination(scriptPubKey, dest)) {
    1035                 :           0 :         return false;
    1036                 :             :     }
    1037   [ #  #  #  # ]:           0 :     if (IsAddressPreviouslySpent(dest)) {
    1038                 :           0 :         return true;
    1039                 :             :     }
    1040   [ #  #  #  # ]:           0 :     if (IsLegacy()) {
    1041         [ #  # ]:           0 :         LegacyScriptPubKeyMan* spk_man = GetLegacyScriptPubKeyMan();
    1042         [ #  # ]:           0 :         assert(spk_man != nullptr);
    1043   [ #  #  #  #  :           0 :         for (const auto& keyid : GetAffectedKeys(scriptPubKey, *spk_man)) {
                   #  # ]
    1044         [ #  # ]:           0 :             WitnessV0KeyHash wpkh_dest(keyid);
    1045   [ #  #  #  # ]:           0 :             if (IsAddressPreviouslySpent(wpkh_dest)) {
    1046                 :           0 :                 return true;
    1047                 :             :             }
    1048   [ #  #  #  # ]:           0 :             ScriptHash sh_wpkh_dest(GetScriptForDestination(wpkh_dest));
    1049   [ #  #  #  # ]:           0 :             if (IsAddressPreviouslySpent(sh_wpkh_dest)) {
    1050                 :           0 :                 return true;
    1051                 :             :             }
    1052         [ #  # ]:           0 :             PKHash pkh_dest(keyid);
    1053   [ #  #  #  # ]:           0 :             if (IsAddressPreviouslySpent(pkh_dest)) {
    1054                 :           0 :                 return true;
    1055                 :             :             }
    1056   [ #  #  #  # ]:           0 :         }
    1057         [ #  # ]:           0 :     }
    1058                 :           0 :     return false;
    1059                 :           0 : }
    1060                 :             : 
    1061                 :      145160 : CWalletTx* CWallet::AddToWallet(CTransactionRef tx, const TxState& state, const UpdateWalletTxFn& update_wtx, bool fFlushOnClose, bool rescanning_old_block)
    1062                 :             : {
    1063                 :      145160 :     LOCK(cs_wallet);
    1064                 :             : 
    1065   [ +  -  +  - ]:      145160 :     WalletBatch batch(GetDatabase(), fFlushOnClose);
    1066                 :             : 
    1067   [ +  -  +  - ]:      145160 :     uint256 hash = tx->GetHash();
    1068                 :             : 
    1069   [ +  -  +  - ]:      145160 :     if (IsWalletFlagSet(WALLET_FLAG_AVOID_REUSE)) {
    1070                 :             :         // Mark used destinations
    1071                 :           0 :         std::set<CTxDestination> tx_destinations;
    1072                 :             : 
    1073         [ #  # ]:           0 :         for (const CTxIn& txin : tx->vin) {
    1074                 :           0 :             const COutPoint& op = txin.prevout;
    1075   [ #  #  #  # ]:           0 :             SetSpentKeyState(batch, op.hash, op.n, true, tx_destinations);
    1076                 :           0 :         }
    1077                 :             : 
    1078         [ #  # ]:           0 :         MarkDestinationsDirty(tx_destinations);
    1079                 :           0 :     }
    1080                 :             : 
    1081                 :             :     // Inserts only if not already there, returns tx inserted or tx found
    1082         [ +  - ]:      145160 :     auto ret = mapWallet.emplace(std::piecewise_construct, std::forward_as_tuple(hash), std::forward_as_tuple(tx, state));
    1083                 :      145160 :     CWalletTx& wtx = (*ret.first).second;
    1084                 :      145160 :     bool fInsertedNew = ret.second;
    1085   [ -  +  #  # ]:      145160 :     bool fUpdated = update_wtx && update_wtx(wtx, fInsertedNew);
    1086         [ +  - ]:      145160 :     if (fInsertedNew) {
    1087         [ +  - ]:      145160 :         wtx.nTimeReceived = GetTime();
    1088         [ +  - ]:      145160 :         wtx.nOrderPos = IncOrderPosNext(&batch);
    1089   [ +  -  +  - ]:      145160 :         wtx.m_it_wtxOrdered = wtxOrdered.insert(std::make_pair(wtx.nOrderPos, &wtx));
    1090         [ +  - ]:      145160 :         wtx.nTimeSmart = ComputeTimeSmart(wtx, rescanning_old_block);
    1091         [ +  - ]:      145160 :         AddToSpends(wtx, &batch);
    1092                 :             : 
    1093                 :             :         // Update birth time when tx time is older than it.
    1094   [ +  -  +  - ]:      145160 :         MaybeUpdateBirthTime(wtx.GetTxTime());
    1095                 :      145160 :     }
    1096                 :             : 
    1097         [ +  - ]:      145160 :     if (!fInsertedNew)
    1098                 :             :     {
    1099         [ #  # ]:           0 :         if (state.index() != wtx.m_state.index()) {
    1100                 :           0 :             wtx.m_state = state;
    1101                 :           0 :             fUpdated = true;
    1102                 :           0 :         } else {
    1103   [ #  #  #  #  :           0 :             assert(TxStateSerializedIndex(wtx.m_state) == TxStateSerializedIndex(state));
                   #  # ]
    1104   [ #  #  #  #  :           0 :             assert(TxStateSerializedBlockHash(wtx.m_state) == TxStateSerializedBlockHash(state));
             #  #  #  # ]
    1105                 :             :         }
    1106                 :             :         // If we have a witness-stripped version of this transaction, and we
    1107                 :             :         // see a new version with a witness, then we must be upgrading a pre-segwit
    1108                 :             :         // wallet.  Store the new version of the transaction with the witness,
    1109                 :             :         // as the stripped-version must be invalid.
    1110                 :             :         // TODO: Store all versions of the transaction, instead of just one.
    1111   [ #  #  #  #  :           0 :         if (tx->HasWitness() && !wtx.tx->HasWitness()) {
             #  #  #  # ]
    1112         [ #  # ]:           0 :             wtx.SetTx(tx);
    1113                 :           0 :             fUpdated = true;
    1114                 :           0 :         }
    1115                 :           0 :     }
    1116                 :             : 
    1117                 :             :     // Mark inactive coinbase transactions and their descendants as abandoned
    1118   [ +  -  -  +  :      145160 :     if (wtx.IsCoinBase() && wtx.isInactive()) {
             #  #  #  # ]
    1119         [ #  # ]:           0 :         std::vector<CWalletTx*> txs{&wtx};
    1120                 :             : 
    1121         [ #  # ]:           0 :         TxStateInactive inactive_state = TxStateInactive{/*abandoned=*/true};
    1122                 :             : 
    1123         [ #  # ]:           0 :         while (!txs.empty()) {
    1124                 :           0 :             CWalletTx* desc_tx = txs.back();
    1125                 :           0 :             txs.pop_back();
    1126                 :           0 :             desc_tx->m_state = inactive_state;
    1127                 :             :             // Break caches since we have changed the state
    1128         [ #  # ]:           0 :             desc_tx->MarkDirty();
    1129         [ #  # ]:           0 :             batch.WriteTx(*desc_tx);
    1130         [ #  # ]:           0 :             MarkInputsDirty(desc_tx->tx);
    1131         [ #  # ]:           0 :             for (unsigned int i = 0; i < desc_tx->tx->vout.size(); ++i) {
    1132   [ #  #  #  # ]:           0 :                 COutPoint outpoint(desc_tx->GetHash(), i);
    1133         [ #  # ]:           0 :                 std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(outpoint);
    1134         [ #  # ]:           0 :                 for (TxSpends::const_iterator it = range.first; it != range.second; ++it) {
    1135         [ #  # ]:           0 :                     const auto wit = mapWallet.find(it->second);
    1136         [ #  # ]:           0 :                     if (wit != mapWallet.end()) {
    1137         [ #  # ]:           0 :                         txs.push_back(&wit->second);
    1138                 :           0 :                     }
    1139                 :           0 :                 }
    1140                 :           0 :             }
    1141                 :           0 :         }
    1142                 :           0 :     }
    1143                 :             : 
    1144                 :             :     //// debug print
    1145   [ +  -  +  -  :      145160 :     WalletLogPrintf("AddToWallet %s  %s%s %s\n", hash.ToString(), (fInsertedNew ? "new" : ""), (fUpdated ? "update" : ""), TxStateString(state));
                   +  - ]
    1146                 :             : 
    1147                 :             :     // Write to disk
    1148         [ -  + ]:      145160 :     if (fInsertedNew || fUpdated)
    1149   [ +  -  +  - ]:      145160 :         if (!batch.WriteTx(wtx))
    1150                 :           0 :             return nullptr;
    1151                 :             : 
    1152                 :             :     // Break debit/credit balance caches:
    1153         [ +  - ]:      145160 :     wtx.MarkDirty();
    1154                 :             : 
    1155                 :             :     // Notify UI of new or updated transaction
    1156         [ +  - ]:      145160 :     NotifyTransactionChanged(hash, fInsertedNew ? CT_NEW : CT_UPDATED);
    1157                 :             : 
    1158                 :             : #if HAVE_SYSTEM
    1159                 :             :     // notify an external script when a wallet transaction comes in or is updated
    1160         [ +  - ]:      145160 :     std::string strCmd = m_notify_tx_changed_script;
    1161                 :             : 
    1162         [ +  - ]:      145160 :     if (!strCmd.empty())
    1163                 :             :     {
    1164   [ #  #  #  #  :           0 :         ReplaceAll(strCmd, "%s", hash.GetHex());
                   #  # ]
    1165   [ #  #  #  # ]:           0 :         if (auto* conf = wtx.state<TxStateConfirmed>())
    1166                 :             :         {
    1167   [ #  #  #  #  :           0 :             ReplaceAll(strCmd, "%b", conf->confirmed_block_hash.GetHex());
                   #  # ]
    1168   [ #  #  #  #  :           0 :             ReplaceAll(strCmd, "%h", ToString(conf->confirmed_block_height));
                   #  # ]
    1169                 :           0 :         } else {
    1170   [ #  #  #  #  :           0 :             ReplaceAll(strCmd, "%b", "unconfirmed");
                   #  # ]
    1171   [ #  #  #  #  :           0 :             ReplaceAll(strCmd, "%h", "-1");
                   #  # ]
    1172                 :             :         }
    1173                 :             : #ifndef WIN32
    1174                 :             :         // Substituting the wallet name isn't currently supported on windows
    1175                 :             :         // because windows shell escaping has not been implemented yet:
    1176                 :             :         // https://github.com/bitcoin/bitcoin/pull/13339#issuecomment-537384875
    1177                 :             :         // A few ways it could be implemented in the future are described in:
    1178                 :             :         // https://github.com/bitcoin/bitcoin/pull/13339#issuecomment-461288094
    1179   [ #  #  #  #  :           0 :         ReplaceAll(strCmd, "%w", ShellEscape(GetName()));
             #  #  #  # ]
    1180                 :             : #endif
    1181         [ #  # ]:           0 :         std::thread t(runCommand, strCmd);
    1182         [ #  # ]:           0 :         t.detach(); // thread runs free
    1183                 :           0 :     }
    1184                 :             : #endif
    1185                 :             : 
    1186                 :      145160 :     return &wtx;
    1187                 :      145160 : }
    1188                 :             : 
    1189                 :           0 : bool CWallet::LoadToWallet(const uint256& hash, const UpdateWalletTxFn& fill_wtx)
    1190                 :             : {
    1191                 :           0 :     const auto& ins = mapWallet.emplace(std::piecewise_construct, std::forward_as_tuple(hash), std::forward_as_tuple(nullptr, TxStateInactive{}));
    1192                 :           0 :     CWalletTx& wtx = ins.first->second;
    1193         [ #  # ]:           0 :     if (!fill_wtx(wtx, ins.second)) {
    1194                 :           0 :         return false;
    1195                 :             :     }
    1196                 :             :     // If wallet doesn't have a chain (e.g when using bitcoin-wallet tool),
    1197                 :             :     // don't bother to update txn.
    1198         [ #  # ]:           0 :     if (HaveChain()) {
    1199                 :           0 :       wtx.updateState(chain());
    1200                 :           0 :     }
    1201         [ #  # ]:           0 :     if (/* insertion took place */ ins.second) {
    1202                 :           0 :         wtx.m_it_wtxOrdered = wtxOrdered.insert(std::make_pair(wtx.nOrderPos, &wtx));
    1203                 :           0 :     }
    1204                 :           0 :     AddToSpends(wtx);
    1205         [ #  # ]:           0 :     for (const CTxIn& txin : wtx.tx->vin) {
    1206                 :           0 :         auto it = mapWallet.find(txin.prevout.hash);
    1207         [ #  # ]:           0 :         if (it != mapWallet.end()) {
    1208                 :           0 :             CWalletTx& prevtx = it->second;
    1209         [ #  # ]:           0 :             if (auto* prev = prevtx.state<TxStateBlockConflicted>()) {
    1210                 :           0 :                 MarkConflicted(prev->conflicting_block_hash, prev->conflicting_block_height, wtx.GetHash());
    1211                 :           0 :             }
    1212                 :           0 :         }
    1213                 :           0 :     }
    1214                 :             : 
    1215                 :             :     // Update birth time when tx time is older than it.
    1216                 :           0 :     MaybeUpdateBirthTime(wtx.GetTxTime());
    1217                 :             : 
    1218                 :           0 :     return true;
    1219                 :           0 : }
    1220                 :             : 
    1221                 :      199668 : bool CWallet::AddToWalletIfInvolvingMe(const CTransactionRef& ptx, const SyncTxState& state, bool fUpdate, bool rescanning_old_block)
    1222                 :             : {
    1223                 :      199668 :     const CTransaction& tx = *ptx;
    1224                 :             :     {
    1225                 :      199668 :         AssertLockHeld(cs_wallet);
    1226                 :             : 
    1227         [ -  + ]:      399336 :         if (auto* conf = std::get_if<TxStateConfirmed>(&state)) {
    1228         [ +  + ]:      901396 :             for (const CTxIn& txin : tx.vin) {
    1229                 :      701728 :                 std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(txin.prevout);
    1230         [ +  - ]:      701728 :                 while (range.first != range.second) {
    1231         [ #  # ]:           0 :                     if (range.first->second != tx.GetHash()) {
    1232   [ #  #  #  #  :           0 :                         WalletLogPrintf("Transaction %s (in block %s) conflicts with wallet transaction %s (both spend %s:%i)\n", tx.GetHash().ToString(), conf->confirmed_block_hash.ToString(), range.first->second.ToString(), range.first->first.hash.ToString(), range.first->first.n);
             #  #  #  # ]
    1233                 :           0 :                         MarkConflicted(conf->confirmed_block_hash, conf->confirmed_block_height, range.first->second);
    1234                 :           0 :                     }
    1235                 :           0 :                     range.first++;
    1236                 :             :                 }
    1237                 :      701728 :             }
    1238                 :      199668 :         }
    1239                 :             : 
    1240                 :      199668 :         bool fExisted = mapWallet.count(tx.GetHash()) != 0;
    1241   [ -  +  #  # ]:      199668 :         if (fExisted && !fUpdate) return false;
    1242   [ +  -  +  +  :      199668 :         if (fExisted || IsMine(tx) || IsFromMe(tx))
                   +  + ]
    1243                 :             :         {
    1244                 :             :             /* Check if any keys in the wallet keypool that were supposed to be unused
    1245                 :             :              * have appeared in a new transaction. If so, remove those keys from the keypool.
    1246                 :             :              * This can happen when restoring an old wallet backup that does not contain
    1247                 :             :              * the mostly recently created transactions from newer versions of the wallet.
    1248                 :             :              */
    1249                 :             : 
    1250                 :             :             // loop though all outputs
    1251         [ +  + ]:      735337 :             for (const CTxOut& txout: tx.vout) {
    1252         [ +  + ]:      992536 :                 for (const auto& spk_man : GetScriptPubKeyMans(txout.scriptPubKey)) {
    1253   [ -  +  +  - ]:      402359 :                     for (auto &dest : spk_man->MarkUnusedAddresses(txout.scriptPubKey)) {
    1254                 :             :                         // If internal flag is not defined try to infer it from the ScriptPubKeyMan
    1255         [ #  # ]:           0 :                         if (!dest.internal.has_value()) {
    1256         [ #  # ]:           0 :                             dest.internal = IsInternalScriptPubKeyMan(spk_man);
    1257                 :           0 :                         }
    1258                 :             : 
    1259                 :             :                         // skip if can't determine whether it's a receiving address or not
    1260         [ #  # ]:           0 :                         if (!dest.internal.has_value()) continue;
    1261                 :             : 
    1262                 :             :                         // If this is a receiving address and it's not in the address book yet
    1263                 :             :                         // (e.g. it wasn't generated on this node or we're restoring from backup)
    1264                 :             :                         // add it to the address book for proper transaction accounting
    1265   [ #  #  #  #  :           0 :                         if (!*dest.internal && !FindAddressBookEntry(dest.dest, /* allow_change= */ false)) {
                   #  # ]
    1266   [ #  #  #  # ]:           0 :                             SetAddressBook(dest.dest, "", AddressPurpose::RECEIVE);
    1267                 :           0 :                         }
    1268      [ #  #  # ]:           0 :                     }
    1269                 :      402359 :                 }
    1270                 :      590177 :             }
    1271                 :             : 
    1272                 :             :             // Block disconnection override an abandoned tx as unconfirmed
    1273                 :             :             // which means user may have to call abandontransaction again
    1274                 :      290320 :             TxState tx_state = std::visit([](auto&& s) -> TxState { return s; }, state);
    1275         [ +  - ]:      145160 :             CWalletTx* wtx = AddToWallet(MakeTransactionRef(tx), tx_state, /*update_wtx=*/nullptr, /*fFlushOnClose=*/false, rescanning_old_block);
    1276         [ +  - ]:      145160 :             if (!wtx) {
    1277                 :             :                 // Can only be nullptr if there was a db write error (missing db, read-only db or a db engine internal writing error).
    1278                 :             :                 // As we only store arriving transaction in this process, and we don't want an inconsistent state, let's throw an error.
    1279         [ #  # ]:           0 :                 throw std::runtime_error("DB error adding transaction to wallet, write failed");
    1280                 :             :             }
    1281                 :      145160 :             return true;
    1282                 :      145160 :         }
    1283         [ +  + ]:      199668 :     }
    1284                 :       54508 :     return false;
    1285                 :      199668 : }
    1286                 :             : 
    1287                 :           0 : bool CWallet::TransactionCanBeAbandoned(const uint256& hashTx) const
    1288                 :             : {
    1289                 :           0 :     LOCK(cs_wallet);
    1290         [ #  # ]:           0 :     const CWalletTx* wtx = GetWalletTx(hashTx);
    1291   [ #  #  #  #  :           0 :     return wtx && !wtx->isAbandoned() && GetTxDepthInMainChain(*wtx) == 0 && !wtx->InMempool();
          #  #  #  #  #  
                #  #  # ]
    1292                 :           0 : }
    1293                 :             : 
    1294                 :      145160 : void CWallet::MarkInputsDirty(const CTransactionRef& tx)
    1295                 :             : {
    1296         [ +  + ]:      720143 :     for (const CTxIn& txin : tx->vin) {
    1297                 :      574983 :         auto it = mapWallet.find(txin.prevout.hash);
    1298         [ +  + ]:      574983 :         if (it != mapWallet.end()) {
    1299                 :      462883 :             it->second.MarkDirty();
    1300                 :      462883 :         }
    1301                 :      574983 :     }
    1302                 :      145160 : }
    1303                 :             : 
    1304                 :           0 : bool CWallet::AbandonTransaction(const uint256& hashTx)
    1305                 :             : {
    1306                 :           0 :     LOCK(cs_wallet);
    1307                 :             : 
    1308                 :             :     // Can't mark abandoned if confirmed or in mempool
    1309         [ #  # ]:           0 :     auto it = mapWallet.find(hashTx);
    1310         [ #  # ]:           0 :     assert(it != mapWallet.end());
    1311                 :           0 :     const CWalletTx& origtx = it->second;
    1312   [ #  #  #  #  :           0 :     if (GetTxDepthInMainChain(origtx) != 0 || origtx.InMempool()) {
             #  #  #  # ]
    1313                 :           0 :         return false;
    1314                 :             :     }
    1315                 :             : 
    1316                 :           0 :     auto try_updating_state = [](CWalletTx& wtx) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
    1317                 :             :         // If the orig tx was not in block/mempool, none of its spends can be.
    1318         [ #  # ]:           0 :         assert(!wtx.isConfirmed());
    1319         [ #  # ]:           0 :         assert(!wtx.InMempool());
    1320                 :             :         // If already conflicted or abandoned, no need to set abandoned
    1321   [ #  #  #  # ]:           0 :         if (!wtx.isBlockConflicted() && !wtx.isAbandoned()) {
    1322                 :           0 :             wtx.m_state = TxStateInactive{/*abandoned=*/true};
    1323                 :           0 :             return TxUpdate::NOTIFY_CHANGED;
    1324                 :             :         }
    1325                 :           0 :         return TxUpdate::UNCHANGED;
    1326                 :           0 :     };
    1327                 :             : 
    1328                 :             :     // Iterate over all its outputs, and mark transactions in the wallet that spend them abandoned too.
    1329                 :             :     // States are not permanent, so these transactions can become unabandoned if they are re-added to the
    1330                 :             :     // mempool, or confirmed in a block, or conflicted.
    1331                 :             :     // Note: If the reorged coinbase is re-added to the main chain, the descendants that have not had their
    1332                 :             :     // states change will remain abandoned and will require manual broadcast if the user wants them.
    1333                 :             : 
    1334         [ #  # ]:           0 :     RecursiveUpdateTxState(hashTx, try_updating_state);
    1335                 :             : 
    1336                 :           0 :     return true;
    1337                 :           0 : }
    1338                 :             : 
    1339                 :           0 : void CWallet::MarkConflicted(const uint256& hashBlock, int conflicting_height, const uint256& hashTx)
    1340                 :             : {
    1341                 :           0 :     LOCK(cs_wallet);
    1342                 :             : 
    1343                 :             :     // If number of conflict confirms cannot be determined, this means
    1344                 :             :     // that the block is still unknown or not yet part of the main chain,
    1345                 :             :     // for example when loading the wallet during a reindex. Do nothing in that
    1346                 :             :     // case.
    1347   [ #  #  #  # ]:           0 :     if (m_last_block_processed_height < 0 || conflicting_height < 0) {
    1348                 :           0 :         return;
    1349                 :             :     }
    1350                 :           0 :     int conflictconfirms = (m_last_block_processed_height - conflicting_height + 1) * -1;
    1351         [ #  # ]:           0 :     if (conflictconfirms >= 0)
    1352                 :           0 :         return;
    1353                 :             : 
    1354                 :           0 :     auto try_updating_state = [&](CWalletTx& wtx) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
    1355         [ #  # ]:           0 :         if (conflictconfirms < GetTxDepthInMainChain(wtx)) {
    1356                 :             :             // Block is 'more conflicted' than current confirm; update.
    1357                 :             :             // Mark transaction as conflicted with this block.
    1358                 :           0 :             wtx.m_state = TxStateBlockConflicted{hashBlock, conflicting_height};
    1359                 :           0 :             return TxUpdate::CHANGED;
    1360                 :             :         }
    1361                 :           0 :         return TxUpdate::UNCHANGED;
    1362                 :           0 :     };
    1363                 :             : 
    1364                 :             :     // Iterate over all its outputs, and mark transactions in the wallet that spend them conflicted too.
    1365   [ #  #  #  # ]:           0 :     RecursiveUpdateTxState(hashTx, try_updating_state);
    1366                 :             : 
    1367         [ #  # ]:           0 : }
    1368                 :             : 
    1369                 :           0 : void CWallet::RecursiveUpdateTxState(const uint256& tx_hash, const TryUpdatingStateFn& try_updating_state) {
    1370                 :             :     // Do not flush the wallet here for performance reasons
    1371                 :           0 :     WalletBatch batch(GetDatabase(), false);
    1372         [ #  # ]:           0 :     RecursiveUpdateTxState(&batch, tx_hash, try_updating_state);
    1373                 :           0 : }
    1374                 :             : 
    1375                 :      574983 : void CWallet::RecursiveUpdateTxState(WalletBatch* batch, const uint256& tx_hash, const TryUpdatingStateFn& try_updating_state) {
    1376                 :      574983 :     std::set<uint256> todo;
    1377                 :      574983 :     std::set<uint256> done;
    1378                 :             : 
    1379         [ +  - ]:      574983 :     todo.insert(tx_hash);
    1380                 :             : 
    1381         [ +  + ]:     1149966 :     while (!todo.empty()) {
    1382                 :      574983 :         uint256 now = *todo.begin();
    1383         [ +  - ]:      574983 :         todo.erase(now);
    1384         [ +  - ]:      574983 :         done.insert(now);
    1385         [ -  + ]:      574983 :         auto it = mapWallet.find(now);
    1386         [ -  + ]:      574983 :         assert(it != mapWallet.end());
    1387                 :      574983 :         CWalletTx& wtx = it->second;
    1388                 :             : 
    1389         [ +  - ]:      574983 :         TxUpdate update_state = try_updating_state(wtx);
    1390         [ -  + ]:      574983 :         if (update_state != TxUpdate::UNCHANGED) {
    1391         [ #  # ]:           0 :             wtx.MarkDirty();
    1392   [ #  #  #  # ]:           0 :             if (batch) batch->WriteTx(wtx);
    1393                 :             :             // Iterate over all its outputs, and update those tx states as well (if applicable)
    1394         [ #  # ]:           0 :             for (unsigned int i = 0; i < wtx.tx->vout.size(); ++i) {
    1395   [ #  #  #  #  :           0 :                 std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(COutPoint(Txid::FromUint256(now), i));
                   #  # ]
    1396         [ #  # ]:           0 :                 for (TxSpends::const_iterator iter = range.first; iter != range.second; ++iter) {
    1397   [ #  #  #  # ]:           0 :                     if (!done.count(iter->second)) {
    1398         [ #  # ]:           0 :                         todo.insert(iter->second);
    1399                 :           0 :                     }
    1400                 :           0 :                 }
    1401                 :           0 :             }
    1402                 :             : 
    1403         [ #  # ]:           0 :             if (update_state == TxUpdate::NOTIFY_CHANGED) {
    1404   [ #  #  #  #  :           0 :                 NotifyTransactionChanged(wtx.GetHash(), CT_UPDATED);
                   #  # ]
    1405                 :           0 :             }
    1406                 :             : 
    1407                 :             :             // If a transaction changes its tx state, that usually changes the balance
    1408                 :             :             // available of the outputs it spends. So force those to be recomputed
    1409         [ #  # ]:           0 :             MarkInputsDirty(wtx.tx);
    1410                 :           0 :         }
    1411                 :      574983 :     }
    1412                 :      574983 : }
    1413                 :             : 
    1414                 :      199668 : void CWallet::SyncTransaction(const CTransactionRef& ptx, const SyncTxState& state, bool update_tx, bool rescanning_old_block)
    1415                 :             : {
    1416         [ +  + ]:      199668 :     if (!AddToWalletIfInvolvingMe(ptx, state, update_tx, rescanning_old_block))
    1417                 :       54508 :         return; // Not one of ours
    1418                 :             : 
    1419                 :             :     // If a transaction changes 'conflicted' state, that changes the balance
    1420                 :             :     // available of the outputs it spends. So force those to be
    1421                 :             :     // recomputed, also:
    1422                 :      145160 :     MarkInputsDirty(ptx);
    1423                 :      199668 : }
    1424                 :             : 
    1425                 :           0 : void CWallet::transactionAddedToMempool(const CTransactionRef& tx) {
    1426                 :           0 :     LOCK(cs_wallet);
    1427         [ #  # ]:           0 :     SyncTransaction(tx, TxStateInMempool{});
    1428                 :             : 
    1429   [ #  #  #  #  :           0 :     auto it = mapWallet.find(tx->GetHash());
                   #  # ]
    1430         [ #  # ]:           0 :     if (it != mapWallet.end()) {
    1431   [ #  #  #  # ]:           0 :         RefreshMempoolStatus(it->second, chain());
    1432                 :           0 :     }
    1433                 :             : 
    1434         [ #  # ]:           0 :     const Txid& txid = tx->GetHash();
    1435                 :             : 
    1436         [ #  # ]:           0 :     for (const CTxIn& tx_in : tx->vin) {
    1437                 :             :         // For each wallet transaction spending this prevout..
    1438   [ #  #  #  # ]:           0 :         for (auto range = mapTxSpends.equal_range(tx_in.prevout); range.first != range.second; range.first++) {
    1439                 :           0 :             const uint256& spent_id = range.first->second;
    1440                 :             :             // Skip the recently added tx
    1441   [ #  #  #  #  :           0 :             if (spent_id == txid) continue;
                   #  # ]
    1442         [ #  # ]:           0 :             RecursiveUpdateTxState(/*batch=*/nullptr, spent_id, [&txid](CWalletTx& wtx) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
    1443                 :           0 :                 return wtx.mempool_conflicts.insert(txid).second ? TxUpdate::CHANGED : TxUpdate::UNCHANGED;
    1444                 :             :             });
    1445      [ #  #  # ]:           0 :         }
    1446                 :           0 :     }
    1447                 :           0 : }
    1448                 :             : 
    1449                 :      199668 : void CWallet::transactionRemovedFromMempool(const CTransactionRef& tx, MemPoolRemovalReason reason) {
    1450                 :      199668 :     LOCK(cs_wallet);
    1451   [ +  -  +  -  :      199668 :     auto it = mapWallet.find(tx->GetHash());
                   +  - ]
    1452         [ +  + ]:      199668 :     if (it != mapWallet.end()) {
    1453   [ +  -  +  - ]:      145160 :         RefreshMempoolStatus(it->second, chain());
    1454                 :      145160 :     }
    1455                 :             :     // Handle transactions that were removed from the mempool because they
    1456                 :             :     // conflict with transactions in a newly connected block.
    1457         [ +  - ]:      199668 :     if (reason == MemPoolRemovalReason::CONFLICT) {
    1458                 :             :         // Trigger external -walletnotify notifications for these transactions.
    1459                 :             :         // Set Status::UNCONFIRMED instead of Status::CONFLICTED for a few reasons:
    1460                 :             :         //
    1461                 :             :         // 1. The transactionRemovedFromMempool callback does not currently
    1462                 :             :         //    provide the conflicting block's hash and height, and for backwards
    1463                 :             :         //    compatibility reasons it may not be not safe to store conflicted
    1464                 :             :         //    wallet transactions with a null block hash. See
    1465                 :             :         //    https://github.com/bitcoin/bitcoin/pull/18600#discussion_r420195993.
    1466                 :             :         // 2. For most of these transactions, the wallet's internal conflict
    1467                 :             :         //    detection in the blockConnected handler will subsequently call
    1468                 :             :         //    MarkConflicted and update them with CONFLICTED status anyway. This
    1469                 :             :         //    applies to any wallet transaction that has inputs spent in the
    1470                 :             :         //    block, or that has ancestors in the wallet with inputs spent by
    1471                 :             :         //    the block.
    1472                 :             :         // 3. Longstanding behavior since the sync implementation in
    1473                 :             :         //    https://github.com/bitcoin/bitcoin/pull/9371 and the prior sync
    1474                 :             :         //    implementation before that was to mark these transactions
    1475                 :             :         //    unconfirmed rather than conflicted.
    1476                 :             :         //
    1477                 :             :         // Nothing described above should be seen as an unchangeable requirement
    1478                 :             :         // when improving this code in the future. The wallet's heuristics for
    1479                 :             :         // distinguishing between conflicted and unconfirmed transactions are
    1480                 :             :         // imperfect, and could be improved in general, see
    1481                 :             :         // https://github.com/bitcoin-core/bitcoin-devwiki/wiki/Wallet-Transaction-Conflict-Tracking
    1482   [ #  #  #  # ]:           0 :         SyncTransaction(tx, TxStateInactive{});
    1483                 :           0 :     }
    1484                 :             : 
    1485         [ +  - ]:      199668 :     const Txid& txid = tx->GetHash();
    1486                 :             : 
    1487         [ +  + ]:      901396 :     for (const CTxIn& tx_in : tx->vin) {
    1488                 :             :         // Iterate over all wallet transactions spending txin.prev
    1489                 :             :         // and recursively mark them as no longer conflicting with
    1490                 :             :         // txid
    1491   [ -  +  +  + ]:     1276711 :         for (auto range = mapTxSpends.equal_range(tx_in.prevout); range.first != range.second; range.first++) {
    1492                 :      574983 :             const uint256& spent_id = range.first->second;
    1493                 :             : 
    1494         [ +  - ]:     1149966 :             RecursiveUpdateTxState(/*batch=*/nullptr, spent_id, [&txid](CWalletTx& wtx) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
    1495                 :      574983 :                 return wtx.mempool_conflicts.erase(txid) ? TxUpdate::CHANGED : TxUpdate::UNCHANGED;
    1496                 :             :             });
    1497                 :      574983 :         }
    1498                 :      701728 :     }
    1499                 :      199668 : }
    1500                 :             : 
    1501                 :       37174 : void CWallet::blockConnected(ChainstateRole role, const interfaces::BlockInfo& block)
    1502                 :             : {
    1503         [ -  + ]:       37174 :     if (role == ChainstateRole::BACKGROUND) {
    1504                 :           0 :         return;
    1505                 :             :     }
    1506         [ +  - ]:       37174 :     assert(block.data);
    1507                 :       37174 :     LOCK(cs_wallet);
    1508                 :             : 
    1509                 :       37174 :     m_last_block_processed_height = block.height;
    1510                 :       37174 :     m_last_block_processed = block.hash;
    1511                 :             : 
    1512                 :             :     // No need to scan block if it was created before the wallet birthday.
    1513                 :             :     // Uses chain max time and twice the grace period to adjust time for block time variability.
    1514         [ -  + ]:       37174 :     if (block.chain_time_max < m_birth_time.load() - (TIMESTAMP_WINDOW * 2)) return;
    1515                 :             : 
    1516                 :             :     // Scan block
    1517         [ +  + ]:      236842 :     for (size_t index = 0; index < block.data->vtx.size(); index++) {
    1518   [ +  -  +  - ]:      199668 :         SyncTransaction(block.data->vtx[index], TxStateConfirmed{block.hash, block.height, static_cast<int>(index)});
    1519         [ -  + ]:      199668 :         transactionRemovedFromMempool(block.data->vtx[index], MemPoolRemovalReason::BLOCK);
    1520                 :      199668 :     }
    1521         [ -  + ]:       37174 : }
    1522                 :             : 
    1523                 :           0 : void CWallet::blockDisconnected(const interfaces::BlockInfo& block)
    1524                 :             : {
    1525         [ #  # ]:           0 :     assert(block.data);
    1526                 :           0 :     LOCK(cs_wallet);
    1527                 :             : 
    1528                 :             :     // At block disconnection, this will change an abandoned transaction to
    1529                 :             :     // be unconfirmed, whether or not the transaction is added back to the mempool.
    1530                 :             :     // User may have to call abandontransaction again. It may be addressed in the
    1531                 :             :     // future with a stickier abandoned state or even removing abandontransaction call.
    1532                 :           0 :     m_last_block_processed_height = block.height - 1;
    1533         [ #  # ]:           0 :     m_last_block_processed = *Assert(block.prev_hash);
    1534                 :             : 
    1535                 :           0 :     int disconnect_height = block.height;
    1536                 :             : 
    1537   [ #  #  #  # ]:           0 :     for (const CTransactionRef& ptx : Assert(block.data)->vtx) {
    1538   [ #  #  #  # ]:           0 :         SyncTransaction(ptx, TxStateInactive{});
    1539                 :             : 
    1540         [ #  # ]:           0 :         for (const CTxIn& tx_in : ptx->vin) {
    1541                 :             :             // No other wallet transactions conflicted with this transaction
    1542   [ #  #  #  # ]:           0 :             if (mapTxSpends.count(tx_in.prevout) < 1) continue;
    1543                 :             : 
    1544         [ #  # ]:           0 :             std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(tx_in.prevout);
    1545                 :             : 
    1546                 :             :             // For all of the spends that conflict with this transaction
    1547         [ #  # ]:           0 :             for (TxSpends::const_iterator _it = range.first; _it != range.second; ++_it) {
    1548         [ #  # ]:           0 :                 CWalletTx& wtx = mapWallet.find(_it->second)->second;
    1549                 :             : 
    1550   [ #  #  #  # ]:           0 :                 if (!wtx.isBlockConflicted()) continue;
    1551                 :             : 
    1552                 :           0 :                 auto try_updating_state = [&](CWalletTx& tx) {
    1553         [ #  # ]:           0 :                     if (!tx.isBlockConflicted()) return TxUpdate::UNCHANGED;
    1554         [ #  # ]:           0 :                     if (tx.state<TxStateBlockConflicted>()->conflicting_block_height >= disconnect_height) {
    1555                 :           0 :                         tx.m_state = TxStateInactive{};
    1556                 :           0 :                         return TxUpdate::CHANGED;
    1557                 :             :                     }
    1558                 :           0 :                     return TxUpdate::UNCHANGED;
    1559                 :           0 :                 };
    1560                 :             : 
    1561   [ #  #  #  #  :           0 :                 RecursiveUpdateTxState(wtx.tx->GetHash(), try_updating_state);
                   #  # ]
    1562         [ #  # ]:           0 :             }
    1563         [ #  # ]:           0 :         }
    1564                 :           0 :     }
    1565                 :           0 : }
    1566                 :             : 
    1567                 :           0 : void CWallet::updatedBlockTip()
    1568                 :             : {
    1569                 :           0 :     m_best_block_time = GetTime();
    1570                 :           0 : }
    1571                 :             : 
    1572                 :           0 : void CWallet::BlockUntilSyncedToCurrentChain() const {
    1573                 :           0 :     AssertLockNotHeld(cs_wallet);
    1574                 :             :     // Skip the queue-draining stuff if we know we're caught up with
    1575                 :             :     // chain().Tip(), otherwise put a callback in the validation interface queue and wait
    1576                 :             :     // for the queue to drain enough to execute it (indicating we are caught up
    1577                 :             :     // at least with the time we entered this function).
    1578                 :           0 :     uint256 last_block_hash = WITH_LOCK(cs_wallet, return m_last_block_processed);
    1579                 :           0 :     chain().waitForNotificationsIfTipChanged(last_block_hash);
    1580                 :           0 : }
    1581                 :             : 
    1582                 :             : // Note that this function doesn't distinguish between a 0-valued input,
    1583                 :             : // and a not-"is mine" (according to the filter) input.
    1584                 :      783262 : CAmount CWallet::GetDebit(const CTxIn &txin, const isminefilter& filter) const
    1585                 :             : {
    1586                 :             :     {
    1587                 :      783262 :         LOCK(cs_wallet);
    1588   [ +  -  +  - ]:      783262 :         const auto mi = mapWallet.find(txin.prevout.hash);
    1589         [ +  + ]:      783262 :         if (mi != mapWallet.end())
    1590                 :             :         {
    1591                 :      607554 :             const CWalletTx& prev = (*mi).second;
    1592         [ -  + ]:      607554 :             if (txin.prevout.n < prev.tx->vout.size())
    1593   [ +  -  +  + ]:      607554 :                 if (IsMine(prev.tx->vout[txin.prevout.n]) & filter)
    1594                 :      451921 :                     return prev.tx->vout[txin.prevout.n].nValue;
    1595         [ +  + ]:      607554 :         }
    1596      [ -  +  + ]:      783262 :     }
    1597                 :      331341 :     return 0;
    1598                 :      783262 : }
    1599                 :             : 
    1600                 :     7667127 : isminetype CWallet::IsMine(const CTxOut& txout) const
    1601                 :             : {
    1602                 :     7667127 :     AssertLockHeld(cs_wallet);
    1603                 :     7667127 :     return IsMine(txout.scriptPubKey);
    1604                 :             : }
    1605                 :             : 
    1606                 :      345194 : isminetype CWallet::IsMine(const CTxDestination& dest) const
    1607                 :             : {
    1608                 :      345194 :     AssertLockHeld(cs_wallet);
    1609         [ +  - ]:      345194 :     return IsMine(GetScriptForDestination(dest));
    1610                 :           0 : }
    1611                 :             : 
    1612                 :     8012321 : isminetype CWallet::IsMine(const CScript& script) const
    1613                 :             : {
    1614                 :     8012321 :     AssertLockHeld(cs_wallet);
    1615                 :             : 
    1616                 :             :     // Search the cache so that IsMine is called only on the relevant SPKMs instead of on everything in m_spk_managers
    1617                 :     8012321 :     const auto& it = m_cached_spks.find(script);
    1618         [ +  + ]:     8012321 :     if (it != m_cached_spks.end()) {
    1619                 :     5859641 :         isminetype res = ISMINE_NO;
    1620         [ +  + ]:    11719305 :         for (const auto& spkm : it->second) {
    1621                 :     5859664 :             res = std::max(res, spkm->IsMine(script));
    1622                 :     5859664 :         }
    1623                 :     5859641 :         Assume(res == ISMINE_SPENDABLE);
    1624                 :     5859641 :         return res;
    1625                 :     5859641 :     }
    1626                 :             : 
    1627                 :             :     // Legacy wallet
    1628         [ -  + ]:     2152680 :     if (IsLegacy()) return GetLegacyScriptPubKeyMan()->IsMine(script);
    1629                 :             : 
    1630                 :     2152680 :     return ISMINE_NO;
    1631                 :     8012321 : }
    1632                 :             : 
    1633                 :      199668 : bool CWallet::IsMine(const CTransaction& tx) const
    1634                 :             : {
    1635                 :      199668 :     AssertLockHeld(cs_wallet);
    1636   [ +  +  -  +  :      660041 :     for (const CTxOut& txout : tx.vout)
                      + ]
    1637         [ +  + ]:      460373 :         if (IsMine(txout))
    1638         [ +  + ]:      460373 :             return true;
    1639                 :       86245 :     return false;
    1640                 :      199668 : }
    1641                 :             : 
    1642                 :      339875 : isminetype CWallet::IsMine(const COutPoint& outpoint) const
    1643                 :             : {
    1644                 :      339875 :     AssertLockHeld(cs_wallet);
    1645                 :      339875 :     auto wtx = GetWalletTx(outpoint.hash);
    1646         [ +  + ]:      339875 :     if (!wtx) {
    1647                 :       57249 :         return ISMINE_NO;
    1648                 :             :     }
    1649         [ -  + ]:      282626 :     if (outpoint.n >= wtx->tx->vout.size()) {
    1650                 :           0 :         return ISMINE_NO;
    1651                 :             :     }
    1652                 :      282626 :     return IsMine(wtx->tx->vout[outpoint.n]);
    1653                 :      339875 : }
    1654                 :             : 
    1655                 :       86245 : bool CWallet::IsFromMe(const CTransaction& tx) const
    1656                 :             : {
    1657                 :       86245 :     return (GetDebit(tx, ISMINE_ALL) > 0);
    1658                 :             : }
    1659                 :             : 
    1660                 :      231017 : CAmount CWallet::GetDebit(const CTransaction& tx, const isminefilter& filter) const
    1661                 :             : {
    1662                 :      231017 :     CAmount nDebit = 0;
    1663         [ +  + ]:     1014279 :     for (const CTxIn& txin : tx.vin)
    1664                 :             :     {
    1665                 :      783262 :         nDebit += GetDebit(txin, filter);
    1666         [ +  - ]:      783262 :         if (!MoneyRange(nDebit))
    1667   [ #  #  #  #  :           0 :             throw std::runtime_error(std::string(__func__) + ": value out of range");
          #  #  #  #  #  
                      # ]
    1668                 :      783262 :     }
    1669                 :      462034 :     return nDebit;
    1670                 :      231017 : }
    1671                 :             : 
    1672                 :           0 : bool CWallet::IsHDEnabled() const
    1673                 :             : {
    1674                 :             :     // All Active ScriptPubKeyMans must be HD for this to be true
    1675                 :           0 :     bool result = false;
    1676   [ #  #  #  # ]:           0 :     for (const auto& spk_man : GetActiveScriptPubKeyMans()) {
    1677   [ #  #  #  # ]:           0 :         if (!spk_man->IsHDEnabled()) return false;
    1678                 :           0 :         result = true;
    1679         [ #  # ]:           0 :     }
    1680                 :           0 :     return result;
    1681                 :           0 : }
    1682                 :             : 
    1683                 :           0 : bool CWallet::CanGetAddresses(bool internal) const
    1684                 :             : {
    1685                 :           0 :     LOCK(cs_wallet);
    1686         [ #  # ]:           0 :     if (m_spk_managers.empty()) return false;
    1687   [ #  #  #  # ]:           0 :     for (OutputType t : OUTPUT_TYPES) {
    1688         [ #  # ]:           0 :         auto spk_man = GetScriptPubKeyMan(t, internal);
    1689   [ #  #  #  #  :           0 :         if (spk_man && spk_man->CanGetAddresses(internal)) {
                   #  # ]
    1690                 :           0 :             return true;
    1691                 :             :         }
    1692   [ #  #  #  # ]:           0 :     }
    1693                 :           0 :     return false;
    1694                 :           0 : }
    1695                 :             : 
    1696                 :       11568 : void CWallet::SetWalletFlag(uint64_t flags)
    1697                 :             : {
    1698                 :       11568 :     LOCK(cs_wallet);
    1699                 :       11568 :     m_wallet_flags |= flags;
    1700   [ +  -  +  -  :       11568 :     if (!WalletBatch(GetDatabase()).WriteWalletFlags(m_wallet_flags))
             +  -  +  - ]
    1701   [ #  #  #  #  :           0 :         throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed");
          #  #  #  #  #  
                      # ]
    1702                 :       11568 : }
    1703                 :             : 
    1704                 :           0 : void CWallet::UnsetWalletFlag(uint64_t flag)
    1705                 :             : {
    1706                 :           0 :     WalletBatch batch(GetDatabase());
    1707         [ #  # ]:           0 :     UnsetWalletFlagWithDB(batch, flag);
    1708                 :           0 : }
    1709                 :             : 
    1710                 :           0 : void CWallet::UnsetWalletFlagWithDB(WalletBatch& batch, uint64_t flag)
    1711                 :             : {
    1712                 :           0 :     LOCK(cs_wallet);
    1713                 :           0 :     m_wallet_flags &= ~flag;
    1714   [ #  #  #  # ]:           0 :     if (!batch.WriteWalletFlags(m_wallet_flags))
    1715   [ #  #  #  #  :           0 :         throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed");
          #  #  #  #  #  
                      # ]
    1716                 :           0 : }
    1717                 :             : 
    1718                 :           0 : void CWallet::UnsetBlankWalletFlag(WalletBatch& batch)
    1719                 :             : {
    1720                 :           0 :     UnsetWalletFlagWithDB(batch, WALLET_FLAG_BLANK_WALLET);
    1721                 :           0 : }
    1722                 :             : 
    1723                 :     1343704 : bool CWallet::IsWalletFlagSet(uint64_t flag) const
    1724                 :             : {
    1725                 :     1343704 :     return (m_wallet_flags & flag);
    1726                 :             : }
    1727                 :             : 
    1728                 :           0 : bool CWallet::LoadWalletFlags(uint64_t flags)
    1729                 :             : {
    1730                 :           0 :     LOCK(cs_wallet);
    1731         [ #  # ]:           0 :     if (((flags & KNOWN_WALLET_FLAGS) >> 32) ^ (flags >> 32)) {
    1732                 :             :         // contains unknown non-tolerable wallet flags
    1733                 :           0 :         return false;
    1734                 :             :     }
    1735                 :           0 :     m_wallet_flags = flags;
    1736                 :             : 
    1737                 :           0 :     return true;
    1738                 :           0 : }
    1739                 :             : 
    1740                 :           0 : void CWallet::InitWalletFlags(uint64_t flags)
    1741                 :             : {
    1742                 :           0 :     LOCK(cs_wallet);
    1743                 :             : 
    1744                 :             :     // We should never be writing unknown non-tolerable wallet flags
    1745         [ #  # ]:           0 :     assert(((flags & KNOWN_WALLET_FLAGS) >> 32) == (flags >> 32));
    1746                 :             :     // This should only be used once, when creating a new wallet - so current flags are expected to be blank
    1747         [ #  # ]:           0 :     assert(m_wallet_flags == 0);
    1748                 :             : 
    1749   [ #  #  #  #  :           0 :     if (!WalletBatch(GetDatabase()).WriteWalletFlags(flags)) {
             #  #  #  # ]
    1750   [ #  #  #  #  :           0 :         throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed");
          #  #  #  #  #  
                      # ]
    1751                 :             :     }
    1752                 :             : 
    1753   [ #  #  #  # ]:           0 :     if (!LoadWalletFlags(flags)) assert(false);
    1754                 :           0 : }
    1755                 :             : 
    1756                 :           0 : bool CWallet::ImportScripts(const std::set<CScript> scripts, int64_t timestamp)
    1757                 :             : {
    1758                 :           0 :     auto spk_man = GetLegacyScriptPubKeyMan();
    1759         [ #  # ]:           0 :     if (!spk_man) {
    1760                 :           0 :         return false;
    1761                 :             :     }
    1762                 :           0 :     LOCK(spk_man->cs_KeyStore);
    1763   [ #  #  #  # ]:           0 :     return spk_man->ImportScripts(scripts, timestamp);
    1764                 :           0 : }
    1765                 :             : 
    1766                 :           0 : bool CWallet::ImportPrivKeys(const std::map<CKeyID, CKey>& privkey_map, const int64_t timestamp)
    1767                 :             : {
    1768                 :           0 :     auto spk_man = GetLegacyScriptPubKeyMan();
    1769         [ #  # ]:           0 :     if (!spk_man) {
    1770                 :           0 :         return false;
    1771                 :             :     }
    1772                 :           0 :     LOCK(spk_man->cs_KeyStore);
    1773         [ #  # ]:           0 :     return spk_man->ImportPrivKeys(privkey_map, timestamp);
    1774                 :           0 : }
    1775                 :             : 
    1776                 :           0 : bool CWallet::ImportPubKeys(const std::vector<CKeyID>& ordered_pubkeys, const std::map<CKeyID, CPubKey>& pubkey_map, const std::map<CKeyID, std::pair<CPubKey, KeyOriginInfo>>& key_origins, const bool add_keypool, const bool internal, const int64_t timestamp)
    1777                 :             : {
    1778                 :           0 :     auto spk_man = GetLegacyScriptPubKeyMan();
    1779         [ #  # ]:           0 :     if (!spk_man) {
    1780                 :           0 :         return false;
    1781                 :             :     }
    1782                 :           0 :     LOCK(spk_man->cs_KeyStore);
    1783         [ #  # ]:           0 :     return spk_man->ImportPubKeys(ordered_pubkeys, pubkey_map, key_origins, add_keypool, internal, timestamp);
    1784                 :           0 : }
    1785                 :             : 
    1786                 :           0 : bool CWallet::ImportScriptPubKeys(const std::string& label, const std::set<CScript>& script_pub_keys, const bool have_solving_data, const bool apply_label, const int64_t timestamp)
    1787                 :             : {
    1788                 :           0 :     auto spk_man = GetLegacyScriptPubKeyMan();
    1789         [ #  # ]:           0 :     if (!spk_man) {
    1790                 :           0 :         return false;
    1791                 :             :     }
    1792                 :           0 :     LOCK(spk_man->cs_KeyStore);
    1793   [ #  #  #  # ]:           0 :     if (!spk_man->ImportScriptPubKeys(script_pub_keys, have_solving_data, timestamp)) {
    1794                 :           0 :         return false;
    1795                 :             :     }
    1796         [ #  # ]:           0 :     if (apply_label) {
    1797   [ #  #  #  # ]:           0 :         WalletBatch batch(GetDatabase());
    1798         [ #  # ]:           0 :         for (const CScript& script : script_pub_keys) {
    1799         [ #  # ]:           0 :             CTxDestination dest;
    1800         [ #  # ]:           0 :             ExtractDestination(script, dest);
    1801   [ #  #  #  # ]:           0 :             if (IsValidDestination(dest)) {
    1802         [ #  # ]:           0 :                 SetAddressBookWithDB(batch, dest, label, AddressPurpose::RECEIVE);
    1803                 :           0 :             }
    1804                 :           0 :         }
    1805                 :           0 :     }
    1806                 :           0 :     return true;
    1807                 :           0 : }
    1808                 :             : 
    1809                 :      174181 : void CWallet::MaybeUpdateBirthTime(int64_t time)
    1810                 :             : {
    1811                 :      174181 :     int64_t birthtime = m_birth_time.load();
    1812         [ +  + ]:      174181 :     if (time < birthtime) {
    1813                 :        9939 :         m_birth_time = time;
    1814                 :        9939 :     }
    1815                 :      174181 : }
    1816                 :             : 
    1817                 :             : /**
    1818                 :             :  * Scan active chain for relevant transactions after importing keys. This should
    1819                 :             :  * be called whenever new keys are added to the wallet, with the oldest key
    1820                 :             :  * creation time.
    1821                 :             :  *
    1822                 :             :  * @return Earliest timestamp that could be successfully scanned from. Timestamp
    1823                 :             :  * returned will be higher than startTime if relevant blocks could not be read.
    1824                 :             :  */
    1825                 :           0 : int64_t CWallet::RescanFromTime(int64_t startTime, const WalletRescanReserver& reserver, bool update)
    1826                 :             : {
    1827                 :             :     // Find starting block. May be null if nCreateTime is greater than the
    1828                 :             :     // highest blockchain timestamp, in which case there is nothing that needs
    1829                 :             :     // to be scanned.
    1830                 :           0 :     int start_height = 0;
    1831                 :           0 :     uint256 start_block;
    1832                 :           0 :     bool start = chain().findFirstBlockWithTimeAndHeight(startTime - TIMESTAMP_WINDOW, 0, FoundBlock().hash(start_block).height(start_height));
    1833   [ #  #  #  # ]:           0 :     WalletLogPrintf("%s: Rescanning last %i blocks\n", __func__, start ? WITH_LOCK(cs_wallet, return GetLastBlockHeight()) - start_height + 1 : 0);
    1834                 :             : 
    1835         [ #  # ]:           0 :     if (start) {
    1836                 :             :         // TODO: this should take into account failure by ScanResult::USER_ABORT
    1837                 :           0 :         ScanResult result = ScanForWalletTransactions(start_block, start_height, /*max_height=*/{}, reserver, /*fUpdate=*/update, /*save_progress=*/false);
    1838         [ #  # ]:           0 :         if (result.status == ScanResult::FAILURE) {
    1839                 :           0 :             int64_t time_max;
    1840                 :           0 :             CHECK_NONFATAL(chain().findBlock(result.last_failed_block, FoundBlock().maxTime(time_max)));
    1841                 :           0 :             return time_max + TIMESTAMP_WINDOW + 1;
    1842                 :           0 :         }
    1843         [ #  # ]:           0 :     }
    1844                 :           0 :     return startTime;
    1845                 :           0 : }
    1846                 :             : 
    1847                 :             : /**
    1848                 :             :  * Scan the block chain (starting in start_block) for transactions
    1849                 :             :  * from or to us. If fUpdate is true, found transactions that already
    1850                 :             :  * exist in the wallet will be updated. If max_height is not set, the
    1851                 :             :  * mempool will be scanned as well.
    1852                 :             :  *
    1853                 :             :  * @param[in] start_block Scan starting block. If block is not on the active
    1854                 :             :  *                        chain, the scan will return SUCCESS immediately.
    1855                 :             :  * @param[in] start_height Height of start_block
    1856                 :             :  * @param[in] max_height  Optional max scanning height. If unset there is
    1857                 :             :  *                        no maximum and scanning can continue to the tip
    1858                 :             :  *
    1859                 :             :  * @return ScanResult returning scan information and indicating success or
    1860                 :             :  *         failure. Return status will be set to SUCCESS if scan was
    1861                 :             :  *         successful. FAILURE if a complete rescan was not possible (due to
    1862                 :             :  *         pruning or corruption). USER_ABORT if the rescan was aborted before
    1863                 :             :  *         it could complete.
    1864                 :             :  *
    1865                 :             :  * @pre Caller needs to make sure start_block (and the optional stop_block) are on
    1866                 :             :  * the main chain after to the addition of any new keys you want to detect
    1867                 :             :  * transactions for.
    1868                 :             :  */
    1869                 :           0 : CWallet::ScanResult CWallet::ScanForWalletTransactions(const uint256& start_block, int start_height, std::optional<int> max_height, const WalletRescanReserver& reserver, bool fUpdate, const bool save_progress)
    1870                 :             : {
    1871                 :           0 :     constexpr auto INTERVAL_TIME{60s};
    1872                 :           0 :     auto current_time{reserver.now()};
    1873                 :           0 :     auto start_time{reserver.now()};
    1874                 :             : 
    1875         [ #  # ]:           0 :     assert(reserver.isReserved());
    1876                 :             : 
    1877                 :           0 :     uint256 block_hash = start_block;
    1878                 :           0 :     ScanResult result;
    1879                 :             : 
    1880                 :           0 :     std::unique_ptr<FastWalletRescanFilter> fast_rescan_filter;
    1881   [ #  #  #  #  :           0 :     if (!IsLegacy() && chain().hasBlockFilterIndex(BlockFilterType::BASIC)) fast_rescan_filter = std::make_unique<FastWalletRescanFilter>(*this);
          #  #  #  #  #  
                #  #  # ]
    1882                 :             : 
    1883   [ #  #  #  # ]:           0 :     WalletLogPrintf("Rescan started from block %s... (%s)\n", start_block.ToString(),
    1884                 :           0 :                     fast_rescan_filter ? "fast variant using block filters" : "slow variant inspecting all blocks");
    1885                 :             : 
    1886                 :           0 :     fAbortRescan = false;
    1887   [ #  #  #  #  :           0 :     ShowProgress(strprintf("%s " + _("Rescanning…").translated, GetDisplayName()), 0); // show rescan progress in GUI as dialog or on splashscreen, if rescan required on startup (e.g. due to corruption)
          #  #  #  #  #  
                      # ]
    1888   [ #  #  #  #  :           0 :     uint256 tip_hash = WITH_LOCK(cs_wallet, return GetLastBlockHash());
                   #  # ]
    1889                 :           0 :     uint256 end_hash = tip_hash;
    1890   [ #  #  #  #  :           0 :     if (max_height) chain().findAncestorByHeight(tip_hash, *max_height, FoundBlock().hash(end_hash));
             #  #  #  # ]
    1891   [ #  #  #  # ]:           0 :     double progress_begin = chain().guessVerificationProgress(block_hash);
    1892   [ #  #  #  # ]:           0 :     double progress_end = chain().guessVerificationProgress(end_hash);
    1893                 :           0 :     double progress_current = progress_begin;
    1894                 :           0 :     int block_height = start_height;
    1895   [ #  #  #  #  :           0 :     while (!fAbortRescan && !chain().shutdownRequested()) {
             #  #  #  # ]
    1896         [ #  # ]:           0 :         if (progress_end - progress_begin > 0.0) {
    1897                 :           0 :             m_scanning_progress = (progress_current - progress_begin) / (progress_end - progress_begin);
    1898                 :           0 :         } else { // avoid divide-by-zero for single block scan range (i.e. start and stop hashes are equal)
    1899                 :           0 :             m_scanning_progress = 0;
    1900                 :             :         }
    1901   [ #  #  #  # ]:           0 :         if (block_height % 100 == 0 && progress_end - progress_begin > 0.0) {
    1902   [ #  #  #  #  :           0 :             ShowProgress(strprintf("%s " + _("Rescanning…").translated, GetDisplayName()), std::max(1, std::min(99, (int)(m_scanning_progress * 100))));
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    1903                 :           0 :         }
    1904                 :             : 
    1905   [ #  #  #  #  :           0 :         bool next_interval = reserver.now() >= current_time + INTERVAL_TIME;
                   #  # ]
    1906         [ #  # ]:           0 :         if (next_interval) {
    1907         [ #  # ]:           0 :             current_time = reserver.now();
    1908         [ #  # ]:           0 :             WalletLogPrintf("Still rescanning. At block %d. Progress=%f\n", block_height, progress_current);
    1909                 :           0 :         }
    1910                 :             : 
    1911                 :           0 :         bool fetch_block{true};
    1912         [ #  # ]:           0 :         if (fast_rescan_filter) {
    1913         [ #  # ]:           0 :             fast_rescan_filter->UpdateIfNeeded();
    1914         [ #  # ]:           0 :             auto matches_block{fast_rescan_filter->MatchesBlock(block_hash)};
    1915         [ #  # ]:           0 :             if (matches_block.has_value()) {
    1916         [ #  # ]:           0 :                 if (*matches_block) {
    1917   [ #  #  #  #  :           0 :                     LogPrint(BCLog::SCAN, "Fast rescan: inspect block %d [%s] (filter matched)\n", block_height, block_hash.ToString());
          #  #  #  #  #  
                #  #  # ]
    1918                 :           0 :                 } else {
    1919                 :           0 :                     result.last_scanned_block = block_hash;
    1920                 :           0 :                     result.last_scanned_height = block_height;
    1921                 :           0 :                     fetch_block = false;
    1922                 :             :                 }
    1923                 :           0 :             } else {
    1924   [ #  #  #  #  :           0 :                 LogPrint(BCLog::SCAN, "Fast rescan: inspect block %d [%s] (WARNING: block filter not found!)\n", block_height, block_hash.ToString());
          #  #  #  #  #  
                #  #  # ]
    1925                 :             :             }
    1926                 :           0 :         }
    1927                 :             : 
    1928                 :             :         // Find next block separately from reading data above, because reading
    1929                 :             :         // is slow and there might be a reorg while it is read.
    1930                 :           0 :         bool block_still_active = false;
    1931                 :           0 :         bool next_block = false;
    1932         [ #  # ]:           0 :         uint256 next_block_hash;
    1933   [ #  #  #  #  :           0 :         chain().findBlock(block_hash, FoundBlock().inActiveChain(block_still_active).nextBlock(FoundBlock().inActiveChain(next_block).hash(next_block_hash)));
          #  #  #  #  #  
                #  #  # ]
    1934                 :             : 
    1935         [ #  # ]:           0 :         if (fetch_block) {
    1936                 :             :             // Read block data
    1937         [ #  # ]:           0 :             CBlock block;
    1938   [ #  #  #  #  :           0 :             chain().findBlock(block_hash, FoundBlock().data(block));
                   #  # ]
    1939                 :             : 
    1940   [ #  #  #  # ]:           0 :             if (!block.IsNull()) {
    1941   [ #  #  #  # ]:           0 :                 LOCK(cs_wallet);
    1942         [ #  # ]:           0 :                 if (!block_still_active) {
    1943                 :             :                     // Abort scan if current block is no longer active, to prevent
    1944                 :             :                     // marking transactions as coming from the wrong block.
    1945                 :           0 :                     result.last_failed_block = block_hash;
    1946                 :           0 :                     result.status = ScanResult::FAILURE;
    1947                 :           0 :                     break;
    1948                 :             :                 }
    1949         [ #  # ]:           0 :                 for (size_t posInBlock = 0; posInBlock < block.vtx.size(); ++posInBlock) {
    1950   [ #  #  #  # ]:           0 :                     SyncTransaction(block.vtx[posInBlock], TxStateConfirmed{block_hash, block_height, static_cast<int>(posInBlock)}, fUpdate, /*rescanning_old_block=*/true);
    1951                 :           0 :                 }
    1952                 :             :                 // scan succeeded, record block as most recent successfully scanned
    1953                 :           0 :                 result.last_scanned_block = block_hash;
    1954                 :           0 :                 result.last_scanned_height = block_height;
    1955                 :             : 
    1956   [ #  #  #  # ]:           0 :                 if (save_progress && next_interval) {
    1957         [ #  # ]:           0 :                     CBlockLocator loc = m_chain->getActiveChainLocator(block_hash);
    1958                 :             : 
    1959   [ #  #  #  # ]:           0 :                     if (!loc.IsNull()) {
    1960         [ #  # ]:           0 :                         WalletLogPrintf("Saving scan progress %d.\n", block_height);
    1961   [ #  #  #  # ]:           0 :                         WalletBatch batch(GetDatabase());
    1962         [ #  # ]:           0 :                         batch.WriteBestBlock(loc);
    1963                 :           0 :                     }
    1964                 :           0 :                 }
    1965         [ #  # ]:           0 :             } else {
    1966                 :             :                 // could not scan block, keep scanning but record this block as the most recent failure
    1967                 :           0 :                 result.last_failed_block = block_hash;
    1968                 :           0 :                 result.status = ScanResult::FAILURE;
    1969                 :             :             }
    1970         [ #  # ]:           0 :         }
    1971   [ #  #  #  # ]:           0 :         if (max_height && block_height >= *max_height) {
    1972                 :           0 :             break;
    1973                 :             :         }
    1974                 :             :         {
    1975         [ #  # ]:           0 :             if (!next_block) {
    1976                 :             :                 // break successfully when rescan has reached the tip, or
    1977                 :             :                 // previous block is no longer on the chain due to a reorg
    1978                 :           0 :                 break;
    1979                 :             :             }
    1980                 :             : 
    1981                 :             :             // increment block and verification progress
    1982                 :           0 :             block_hash = next_block_hash;
    1983                 :           0 :             ++block_height;
    1984   [ #  #  #  # ]:           0 :             progress_current = chain().guessVerificationProgress(block_hash);
    1985                 :             : 
    1986                 :             :             // handle updated tip hash
    1987                 :           0 :             const uint256 prev_tip_hash = tip_hash;
    1988   [ #  #  #  #  :           0 :             tip_hash = WITH_LOCK(cs_wallet, return GetLastBlockHash());
                   #  # ]
    1989   [ #  #  #  #  :           0 :             if (!max_height && prev_tip_hash != tip_hash) {
                   #  # ]
    1990                 :             :                 // in case the tip has changed, update progress max
    1991   [ #  #  #  # ]:           0 :                 progress_end = chain().guessVerificationProgress(tip_hash);
    1992                 :           0 :             }
    1993                 :           0 :         }
    1994      [ #  #  # ]:           0 :     }
    1995         [ #  # ]:           0 :     if (!max_height) {
    1996         [ #  # ]:           0 :         WalletLogPrintf("Scanning current mempool transactions.\n");
    1997   [ #  #  #  #  :           0 :         WITH_LOCK(cs_wallet, chain().requestMempoolTransactions(*this));
                   #  # ]
    1998                 :           0 :     }
    1999   [ #  #  #  #  :           0 :     ShowProgress(strprintf("%s " + _("Rescanning…").translated, GetDisplayName()), 100); // hide progress dialog in GUI
          #  #  #  #  #  
                      # ]
    2000   [ #  #  #  # ]:           0 :     if (block_height && fAbortRescan) {
    2001         [ #  # ]:           0 :         WalletLogPrintf("Rescan aborted at block %d. Progress=%f\n", block_height, progress_current);
    2002                 :           0 :         result.status = ScanResult::USER_ABORT;
    2003   [ #  #  #  #  :           0 :     } else if (block_height && chain().shutdownRequested()) {
             #  #  #  # ]
    2004         [ #  # ]:           0 :         WalletLogPrintf("Rescan interrupted by shutdown request at block %d. Progress=%f\n", block_height, progress_current);
    2005                 :           0 :         result.status = ScanResult::USER_ABORT;
    2006                 :           0 :     } else {
    2007   [ #  #  #  #  :           0 :         WalletLogPrintf("Rescan completed in %15dms\n", Ticks<std::chrono::milliseconds>(reserver.now() - start_time));
             #  #  #  # ]
    2008                 :             :     }
    2009                 :             :     return result;
    2010                 :           0 : }
    2011                 :             : 
    2012                 :           0 : bool CWallet::SubmitTxMemoryPoolAndRelay(CWalletTx& wtx, std::string& err_string, bool relay) const
    2013                 :             : {
    2014                 :           0 :     AssertLockHeld(cs_wallet);
    2015                 :             : 
    2016                 :             :     // Can't relay if wallet is not broadcasting
    2017         [ #  # ]:           0 :     if (!GetBroadcastTransactions()) return false;
    2018                 :             :     // Don't relay abandoned transactions
    2019         [ #  # ]:           0 :     if (wtx.isAbandoned()) return false;
    2020                 :             :     // Don't try to submit coinbase transactions. These would fail anyway but would
    2021                 :             :     // cause log spam.
    2022         [ #  # ]:           0 :     if (wtx.IsCoinBase()) return false;
    2023                 :             :     // Don't try to submit conflicted or confirmed transactions.
    2024         [ #  # ]:           0 :     if (GetTxDepthInMainChain(wtx) != 0) return false;
    2025                 :             : 
    2026                 :             :     // Submit transaction to mempool for relay
    2027         [ #  # ]:           0 :     WalletLogPrintf("Submitting wtx %s to mempool for relay\n", wtx.GetHash().ToString());
    2028                 :             :     // We must set TxStateInMempool here. Even though it will also be set later by the
    2029                 :             :     // entered-mempool callback, if we did not there would be a race where a
    2030                 :             :     // user could call sendmoney in a loop and hit spurious out of funds errors
    2031                 :             :     // because we think that this newly generated transaction's change is
    2032                 :             :     // unavailable as we're not yet aware that it is in the mempool.
    2033                 :             :     //
    2034                 :             :     // If broadcast fails for any reason, trying to set wtx.m_state here would be incorrect.
    2035                 :             :     // If transaction was previously in the mempool, it should be updated when
    2036                 :             :     // TransactionRemovedFromMempool fires.
    2037                 :           0 :     bool ret = chain().broadcastTransaction(wtx.tx, m_default_max_tx_fee, relay, err_string);
    2038         [ #  # ]:           0 :     if (ret) wtx.m_state = TxStateInMempool{};
    2039                 :           0 :     return ret;
    2040                 :           0 : }
    2041                 :             : 
    2042                 :           0 : std::set<uint256> CWallet::GetTxConflicts(const CWalletTx& wtx) const
    2043                 :             : {
    2044                 :           0 :     AssertLockHeld(cs_wallet);
    2045                 :             : 
    2046                 :           0 :     const uint256 myHash{wtx.GetHash()};
    2047                 :           0 :     std::set<uint256> result{GetConflicts(myHash)};
    2048         [ #  # ]:           0 :     result.erase(myHash);
    2049                 :           0 :     return result;
    2050         [ #  # ]:           0 : }
    2051                 :             : 
    2052                 :           0 : bool CWallet::ShouldResend() const
    2053                 :             : {
    2054                 :             :     // Don't attempt to resubmit if the wallet is configured to not broadcast
    2055         [ #  # ]:           0 :     if (!fBroadcastTransactions) return false;
    2056                 :             : 
    2057                 :             :     // During reindex, importing and IBD, old wallet transactions become
    2058                 :             :     // unconfirmed. Don't resend them as that would spam other nodes.
    2059                 :             :     // We only allow forcing mempool submission when not relaying to avoid this spam.
    2060         [ #  # ]:           0 :     if (!chain().isReadyToBroadcast()) return false;
    2061                 :             : 
    2062                 :             :     // Do this infrequently and randomly to avoid giving away
    2063                 :             :     // that these are our transactions.
    2064         [ #  # ]:           0 :     if (NodeClock::now() < m_next_resend) return false;
    2065                 :             : 
    2066                 :           0 :     return true;
    2067                 :           0 : }
    2068                 :             : 
    2069   [ +  -  +  -  :       11568 : NodeClock::time_point CWallet::GetDefaultNextResend() { return FastRandomContext{}.rand_uniform_delay(NodeClock::now() + 12h, 24h); }
          +  -  +  -  +  
                      - ]
    2070                 :             : 
    2071                 :             : // Resubmit transactions from the wallet to the mempool, optionally asking the
    2072                 :             : // mempool to relay them. On startup, we will do this for all unconfirmed
    2073                 :             : // transactions but will not ask the mempool to relay them. We do this on startup
    2074                 :             : // to ensure that our own mempool is aware of our transactions. There
    2075                 :             : // is a privacy side effect here as not broadcasting on startup also means that we won't
    2076                 :             : // inform the world of our wallet's state, particularly if the wallet (or node) is not
    2077                 :             : // yet synced.
    2078                 :             : //
    2079                 :             : // Otherwise this function is called periodically in order to relay our unconfirmed txs.
    2080                 :             : // We do this on a random timer to slightly obfuscate which transactions
    2081                 :             : // come from our wallet.
    2082                 :             : //
    2083                 :             : // TODO: Ideally, we'd only resend transactions that we think should have been
    2084                 :             : // mined in the most recent block. Any transaction that wasn't in the top
    2085                 :             : // blockweight of transactions in the mempool shouldn't have been mined,
    2086                 :             : // and so is probably just sitting in the mempool waiting to be confirmed.
    2087                 :             : // Rebroadcasting does nothing to speed up confirmation and only damages
    2088                 :             : // privacy.
    2089                 :             : //
    2090                 :             : // The `force` option results in all unconfirmed transactions being submitted to
    2091                 :             : // the mempool. This does not necessarily result in those transactions being relayed,
    2092                 :             : // that depends on the `relay` option. Periodic rebroadcast uses the pattern
    2093                 :             : // relay=true force=false, while loading into the mempool
    2094                 :             : // (on start, or after import) uses relay=false force=true.
    2095                 :           0 : void CWallet::ResubmitWalletTransactions(bool relay, bool force)
    2096                 :             : {
    2097                 :             :     // Don't attempt to resubmit if the wallet is configured to not broadcast,
    2098                 :             :     // even if forcing.
    2099         [ #  # ]:           0 :     if (!fBroadcastTransactions) return;
    2100                 :             : 
    2101                 :           0 :     int submitted_tx_count = 0;
    2102                 :             : 
    2103                 :             :     { // cs_wallet scope
    2104                 :           0 :         LOCK(cs_wallet);
    2105                 :             : 
    2106                 :             :         // First filter for the transactions we want to rebroadcast.
    2107                 :             :         // We use a set with WalletTxOrderComparator so that rebroadcasting occurs in insertion order
    2108                 :           0 :         std::set<CWalletTx*, WalletTxOrderComparator> to_submit;
    2109         [ #  # ]:           0 :         for (auto& [txid, wtx] : mapWallet) {
    2110                 :             :             // Only rebroadcast unconfirmed txs
    2111   [ #  #  #  # ]:           0 :             if (!wtx.isUnconfirmed()) continue;
    2112                 :             : 
    2113                 :             :             // Attempt to rebroadcast all txes more than 5 minutes older than
    2114                 :             :             // the last block, or all txs if forcing.
    2115   [ #  #  #  # ]:           0 :             if (!force && wtx.nTimeReceived > m_best_block_time - 5 * 60) continue;
    2116   [ #  #  #  # ]:           0 :             to_submit.insert(&wtx);
    2117      [ #  #  # ]:           0 :         }
    2118                 :             :         // Now try submitting the transactions to the memory pool and (optionally) relay them.
    2119         [ #  # ]:           0 :         for (auto wtx : to_submit) {
    2120                 :           0 :             std::string unused_err_string;
    2121   [ #  #  #  # ]:           0 :             if (SubmitTxMemoryPoolAndRelay(*wtx, unused_err_string, relay)) ++submitted_tx_count;
    2122                 :           0 :         }
    2123                 :           0 :     } // cs_wallet
    2124                 :             : 
    2125         [ #  # ]:           0 :     if (submitted_tx_count > 0) {
    2126                 :           0 :         WalletLogPrintf("%s: resubmit %u unconfirmed transactions\n", __func__, submitted_tx_count);
    2127                 :           0 :     }
    2128                 :           0 : }
    2129                 :             : 
    2130                 :             : /** @} */ // end of mapWallet
    2131                 :             : 
    2132                 :           0 : void MaybeResendWalletTxs(WalletContext& context)
    2133                 :             : {
    2134         [ #  # ]:           0 :     for (const std::shared_ptr<CWallet>& pwallet : GetWallets(context)) {
    2135   [ #  #  #  # ]:           0 :         if (!pwallet->ShouldResend()) continue;
    2136         [ #  # ]:           0 :         pwallet->ResubmitWalletTransactions(/*relay=*/true, /*force=*/false);
    2137         [ #  # ]:           0 :         pwallet->SetNextResend();
    2138      [ #  #  # ]:           0 :     }
    2139                 :           0 : }
    2140                 :             : 
    2141                 :             : 
    2142                 :             : /** @defgroup Actions
    2143                 :             :  *
    2144                 :             :  * @{
    2145                 :             :  */
    2146                 :             : 
    2147                 :           0 : bool CWallet::SignTransaction(CMutableTransaction& tx) const
    2148                 :             : {
    2149                 :           0 :     AssertLockHeld(cs_wallet);
    2150                 :             : 
    2151                 :             :     // Build coins map
    2152                 :           0 :     std::map<COutPoint, Coin> coins;
    2153   [ #  #  #  # ]:           0 :     for (auto& input : tx.vin) {
    2154   [ #  #  #  # ]:           0 :         const auto mi = mapWallet.find(input.prevout.hash);
    2155   [ #  #  #  # ]:           0 :         if(mi == mapWallet.end() || input.prevout.n >= mi->second.tx->vout.size()) {
    2156                 :           0 :             return false;
    2157                 :             :         }
    2158                 :           0 :         const CWalletTx& wtx = mi->second;
    2159   [ #  #  #  #  :           0 :         int prev_height = wtx.state<TxStateConfirmed>() ? wtx.state<TxStateConfirmed>()->confirmed_block_height : 0;
                   #  # ]
    2160   [ #  #  #  #  :           0 :         coins[input.prevout] = Coin(wtx.tx->vout[input.prevout.n], prev_height, wtx.IsCoinBase());
                   #  # ]
    2161   [ #  #  #  # ]:           0 :     }
    2162                 :           0 :     std::map<int, bilingual_str> input_errors;
    2163         [ #  # ]:           0 :     return SignTransaction(tx, coins, SIGHASH_DEFAULT, input_errors);
    2164                 :           0 : }
    2165                 :             : 
    2166                 :           0 : bool CWallet::SignTransaction(CMutableTransaction& tx, const std::map<COutPoint, Coin>& coins, int sighash, std::map<int, bilingual_str>& input_errors) const
    2167                 :             : {
    2168                 :             :     // Try to sign with all ScriptPubKeyMans
    2169   [ #  #  #  #  :           0 :     for (ScriptPubKeyMan* spk_man : GetAllScriptPubKeyMans()) {
                      # ]
    2170                 :             :         // spk_man->SignTransaction will return true if the transaction is complete,
    2171                 :             :         // so we can exit early and return true if that happens
    2172   [ #  #  #  # ]:           0 :         if (spk_man->SignTransaction(tx, coins, sighash, input_errors)) {
    2173                 :           0 :             return true;
    2174                 :             :         }
    2175         [ #  # ]:           0 :     }
    2176                 :             : 
    2177                 :             :     // At this point, one input was not fully signed otherwise we would have exited already
    2178                 :           0 :     return false;
    2179                 :           0 : }
    2180                 :             : 
    2181                 :           0 : std::optional<PSBTError> CWallet::FillPSBT(PartiallySignedTransaction& psbtx, bool& complete, int sighash_type, bool sign, bool bip32derivs, size_t * n_signed, bool finalize) const
    2182                 :             : {
    2183         [ #  # ]:           0 :     if (n_signed) {
    2184                 :           0 :         *n_signed = 0;
    2185                 :           0 :     }
    2186                 :           0 :     LOCK(cs_wallet);
    2187                 :             :     // Get all of the previous transactions
    2188         [ #  # ]:           0 :     for (unsigned int i = 0; i < psbtx.tx->vin.size(); ++i) {
    2189                 :           0 :         const CTxIn& txin = psbtx.tx->vin[i];
    2190         [ #  # ]:           0 :         PSBTInput& input = psbtx.inputs.at(i);
    2191                 :             : 
    2192   [ #  #  #  # ]:           0 :         if (PSBTInputSigned(input)) {
    2193                 :           0 :             continue;
    2194                 :             :         }
    2195                 :             : 
    2196                 :             :         // If we have no utxo, grab it from the wallet.
    2197         [ #  # ]:           0 :         if (!input.non_witness_utxo) {
    2198         [ #  # ]:           0 :             const uint256& txhash = txin.prevout.hash;
    2199         [ #  # ]:           0 :             const auto it = mapWallet.find(txhash);
    2200         [ #  # ]:           0 :             if (it != mapWallet.end()) {
    2201                 :           0 :                 const CWalletTx& wtx = it->second;
    2202                 :             :                 // We only need the non_witness_utxo, which is a superset of the witness_utxo.
    2203                 :             :                 //   The signing code will switch to the smaller witness_utxo if this is ok.
    2204                 :           0 :                 input.non_witness_utxo = wtx.tx;
    2205                 :           0 :             }
    2206                 :           0 :         }
    2207      [ #  #  # ]:           0 :     }
    2208                 :             : 
    2209         [ #  # ]:           0 :     const PrecomputedTransactionData txdata = PrecomputePSBTData(psbtx);
    2210                 :             : 
    2211                 :             :     // Fill in information from ScriptPubKeyMans
    2212   [ #  #  #  #  :           0 :     for (ScriptPubKeyMan* spk_man : GetAllScriptPubKeyMans()) {
                   #  # ]
    2213                 :           0 :         int n_signed_this_spkm = 0;
    2214         [ #  # ]:           0 :         const auto error{spk_man->FillPSBT(psbtx, txdata, sighash_type, sign, bip32derivs, &n_signed_this_spkm, finalize)};
    2215         [ #  # ]:           0 :         if (error) {
    2216                 :           0 :             return error;
    2217                 :             :         }
    2218                 :             : 
    2219         [ #  # ]:           0 :         if (n_signed) {
    2220                 :           0 :             (*n_signed) += n_signed_this_spkm;
    2221                 :           0 :         }
    2222   [ #  #  #  # ]:           0 :     }
    2223                 :             : 
    2224         [ #  # ]:           0 :     RemoveUnnecessaryTransactions(psbtx, sighash_type);
    2225                 :             : 
    2226                 :             :     // Complete if every input is now signed
    2227                 :           0 :     complete = true;
    2228         [ #  # ]:           0 :     for (const auto& input : psbtx.inputs) {
    2229         [ #  # ]:           0 :         complete &= PSBTInputSigned(input);
    2230                 :           0 :     }
    2231                 :             : 
    2232                 :           0 :     return {};
    2233                 :           0 : }
    2234                 :             : 
    2235                 :           0 : SigningResult CWallet::SignMessage(const std::string& message, const PKHash& pkhash, std::string& str_sig) const
    2236                 :             : {
    2237                 :           0 :     SignatureData sigdata;
    2238         [ #  # ]:           0 :     CScript script_pub_key = GetScriptForDestination(pkhash);
    2239   [ #  #  #  # ]:           0 :     for (const auto& spk_man_pair : m_spk_managers) {
    2240   [ #  #  #  # ]:           0 :         if (spk_man_pair.second->CanProvide(script_pub_key, sigdata)) {
    2241   [ #  #  #  # ]:           0 :             LOCK(cs_wallet);  // DescriptorScriptPubKeyMan calls IsLocked which can lock cs_wallet in a deadlocking order
    2242         [ #  # ]:           0 :             return spk_man_pair.second->SignMessage(message, pkhash, str_sig);
    2243                 :           0 :         }
    2244         [ #  # ]:           0 :     }
    2245                 :           0 :     return SigningResult::PRIVATE_KEY_NOT_AVAILABLE;
    2246                 :           0 : }
    2247                 :             : 
    2248                 :      107805 : OutputType CWallet::TransactionChangeType(const std::optional<OutputType>& change_type, const std::vector<CRecipient>& vecSend) const
    2249                 :             : {
    2250                 :             :     // If -changetype is specified, always use that change type.
    2251         [ +  + ]:      107805 :     if (change_type) {
    2252                 :       30607 :         return *change_type;
    2253                 :             :     }
    2254                 :             : 
    2255                 :             :     // if m_default_address_type is legacy, use legacy address as change.
    2256         [ +  - ]:       77198 :     if (m_default_address_type == OutputType::LEGACY) {
    2257                 :           0 :         return OutputType::LEGACY;
    2258                 :             :     }
    2259                 :             : 
    2260                 :       77198 :     bool any_tr{false};
    2261                 :       77198 :     bool any_wpkh{false};
    2262                 :       77198 :     bool any_sh{false};
    2263                 :       77198 :     bool any_pkh{false};
    2264                 :             : 
    2265         [ +  + ]:      271944 :     for (const auto& recipient : vecSend) {
    2266         [ +  + ]:      194746 :         if (std::get_if<WitnessV1Taproot>(&recipient.dest)) {
    2267                 :       41780 :             any_tr = true;
    2268         [ +  + ]:      194746 :         } else if (std::get_if<WitnessV0KeyHash>(&recipient.dest)) {
    2269                 :        3000 :             any_wpkh = true;
    2270         [ +  + ]:      152966 :         } else if (std::get_if<ScriptHash>(&recipient.dest)) {
    2271                 :       51892 :             any_sh = true;
    2272         [ -  + ]:      149966 :         } else if (std::get_if<PKHash>(&recipient.dest)) {
    2273                 :       98074 :             any_pkh = true;
    2274                 :       98074 :         }
    2275                 :      194746 :     }
    2276                 :             : 
    2277                 :       77198 :     const bool has_bech32m_spkman(GetScriptPubKeyMan(OutputType::BECH32M, /*internal=*/true));
    2278   [ +  -  +  + ]:       77198 :     if (has_bech32m_spkman && any_tr) {
    2279                 :             :         // Currently tr is the only type supported by the BECH32M spkman
    2280                 :       10514 :         return OutputType::BECH32M;
    2281                 :             :     }
    2282                 :       66684 :     const bool has_bech32_spkman(GetScriptPubKeyMan(OutputType::BECH32, /*internal=*/true));
    2283   [ +  -  +  + ]:       66684 :     if (has_bech32_spkman && any_wpkh) {
    2284                 :             :         // Currently wpkh is the only type supported by the BECH32 spkman
    2285                 :        1495 :         return OutputType::BECH32;
    2286                 :             :     }
    2287                 :       65189 :     const bool has_p2sh_segwit_spkman(GetScriptPubKeyMan(OutputType::P2SH_SEGWIT, /*internal=*/true));
    2288   [ +  -  +  + ]:       65189 :     if (has_p2sh_segwit_spkman && any_sh) {
    2289                 :             :         // Currently sh_wpkh is the only type supported by the P2SH_SEGWIT spkman
    2290                 :             :         // As of 2021 about 80% of all SH are wrapping WPKH, so use that
    2291                 :        4138 :         return OutputType::P2SH_SEGWIT;
    2292                 :             :     }
    2293                 :       61051 :     const bool has_legacy_spkman(GetScriptPubKeyMan(OutputType::LEGACY, /*internal=*/true));
    2294   [ +  -  -  + ]:       61051 :     if (has_legacy_spkman && any_pkh) {
    2295                 :             :         // Currently pkh is the only type supported by the LEGACY spkman
    2296                 :       61051 :         return OutputType::LEGACY;
    2297                 :             :     }
    2298                 :             : 
    2299         [ #  # ]:           0 :     if (has_bech32m_spkman) {
    2300                 :           0 :         return OutputType::BECH32M;
    2301                 :             :     }
    2302         [ #  # ]:           0 :     if (has_bech32_spkman) {
    2303                 :           0 :         return OutputType::BECH32;
    2304                 :             :     }
    2305                 :             :     // else use m_default_address_type for change
    2306                 :           0 :     return m_default_address_type;
    2307                 :      107805 : }
    2308                 :             : 
    2309                 :           0 : void CWallet::CommitTransaction(CTransactionRef tx, mapValue_t mapValue, std::vector<std::pair<std::string, std::string>> orderForm)
    2310                 :             : {
    2311                 :           0 :     LOCK(cs_wallet);
    2312   [ #  #  #  # ]:           0 :     WalletLogPrintf("CommitTransaction:\n%s", tx->ToString()); // NOLINT(bitcoin-unterminated-logprintf)
    2313                 :             : 
    2314                 :             :     // Add tx to wallet, because if it has change it's also ours,
    2315                 :             :     // otherwise just for transaction history.
    2316   [ #  #  #  # ]:           0 :     CWalletTx* wtx = AddToWallet(tx, TxStateInactive{}, [&](CWalletTx& wtx, bool new_tx) {
    2317                 :           0 :         CHECK_NONFATAL(wtx.mapValue.empty());
    2318                 :           0 :         CHECK_NONFATAL(wtx.vOrderForm.empty());
    2319                 :           0 :         wtx.mapValue = std::move(mapValue);
    2320                 :           0 :         wtx.vOrderForm = std::move(orderForm);
    2321                 :           0 :         wtx.fTimeReceivedIsTxTime = true;
    2322                 :           0 :         wtx.fFromMe = true;
    2323                 :           0 :         return true;
    2324                 :             :     });
    2325                 :             : 
    2326                 :             :     // wtx can only be null if the db write failed.
    2327         [ #  # ]:           0 :     if (!wtx) {
    2328   [ #  #  #  #  :           0 :         throw std::runtime_error(std::string(__func__) + ": Wallet db error, transaction commit failed");
             #  #  #  # ]
    2329                 :             :     }
    2330                 :             : 
    2331                 :             :     // Notify that old coins are spent
    2332         [ #  # ]:           0 :     for (const CTxIn& txin : tx->vin) {
    2333   [ #  #  #  # ]:           0 :         CWalletTx &coin = mapWallet.at(txin.prevout.hash);
    2334         [ #  # ]:           0 :         coin.MarkDirty();
    2335   [ #  #  #  #  :           0 :         NotifyTransactionChanged(coin.GetHash(), CT_UPDATED);
                   #  # ]
    2336                 :           0 :     }
    2337                 :             : 
    2338         [ #  # ]:           0 :     if (!fBroadcastTransactions) {
    2339                 :             :         // Don't submit tx to the mempool
    2340                 :           0 :         return;
    2341                 :             :     }
    2342                 :             : 
    2343                 :           0 :     std::string err_string;
    2344   [ #  #  #  # ]:           0 :     if (!SubmitTxMemoryPoolAndRelay(*wtx, err_string, true)) {
    2345   [ #  #  #  # ]:           0 :         WalletLogPrintf("CommitTransaction(): Transaction cannot be broadcast immediately, %s\n", err_string);
    2346                 :             :         // TODO: if we expect the failure to be long term or permanent, instead delete wtx from the wallet and return failure.
    2347                 :           0 :     }
    2348                 :           0 : }
    2349                 :             : 
    2350                 :           0 : DBErrors CWallet::LoadWallet()
    2351                 :             : {
    2352                 :           0 :     LOCK(cs_wallet);
    2353                 :             : 
    2354         [ #  # ]:           0 :     Assert(m_spk_managers.empty());
    2355         [ #  # ]:           0 :     Assert(m_wallet_flags == 0);
    2356   [ #  #  #  #  :           0 :     DBErrors nLoadWalletRet = WalletBatch(GetDatabase()).LoadWallet(this);
                   #  # ]
    2357         [ #  # ]:           0 :     if (nLoadWalletRet == DBErrors::NEED_REWRITE)
    2358                 :             :     {
    2359   [ #  #  #  #  :           0 :         if (GetDatabase().Rewrite("\x04pool"))
                   #  # ]
    2360                 :             :         {
    2361         [ #  # ]:           0 :             for (const auto& spk_man_pair : m_spk_managers) {
    2362         [ #  # ]:           0 :                 spk_man_pair.second->RewriteDB();
    2363                 :           0 :             }
    2364                 :           0 :         }
    2365                 :           0 :     }
    2366                 :             : 
    2367         [ #  # ]:           0 :     if (m_spk_managers.empty()) {
    2368         [ #  # ]:           0 :         assert(m_external_spk_managers.empty());
    2369         [ #  # ]:           0 :         assert(m_internal_spk_managers.empty());
    2370                 :           0 :     }
    2371                 :             : 
    2372                 :           0 :     return nLoadWalletRet;
    2373                 :           0 : }
    2374                 :             : 
    2375                 :           0 : util::Result<void> CWallet::RemoveTxs(std::vector<uint256>& txs_to_remove)
    2376                 :             : {
    2377                 :           0 :     AssertLockHeld(cs_wallet);
    2378                 :           0 :     WalletBatch batch(GetDatabase());
    2379   [ #  #  #  #  :           0 :     if (!batch.TxnBegin()) return util::Error{_("Error starting db txn for wallet transactions removal")};
             #  #  #  # ]
    2380                 :             : 
    2381                 :             :     // Check for transaction existence and remove entries from disk
    2382                 :             :     using TxIterator = std::unordered_map<uint256, CWalletTx, SaltedTxidHasher>::const_iterator;
    2383                 :           0 :     std::vector<TxIterator> erased_txs;
    2384                 :           0 :     bilingual_str str_err;
    2385         [ #  # ]:           0 :     for (const uint256& hash : txs_to_remove) {
    2386         [ #  # ]:           0 :         auto it_wtx = mapWallet.find(hash);
    2387         [ #  # ]:           0 :         if (it_wtx == mapWallet.end()) {
    2388   [ #  #  #  #  :           0 :             str_err = strprintf(_("Transaction %s does not belong to this wallet"), hash.GetHex());
                   #  # ]
    2389                 :           0 :             break;
    2390                 :             :         }
    2391   [ #  #  #  # ]:           0 :         if (!batch.EraseTx(hash)) {
    2392   [ #  #  #  #  :           0 :             str_err = strprintf(_("Failure removing transaction: %s"), hash.GetHex());
                   #  # ]
    2393                 :           0 :             break;
    2394                 :             :         }
    2395         [ #  # ]:           0 :         erased_txs.emplace_back(it_wtx);
    2396   [ #  #  #  # ]:           0 :     }
    2397                 :             : 
    2398                 :             :     // Roll back removals in case of an error
    2399   [ #  #  #  # ]:           0 :     if (!str_err.empty()) {
    2400         [ #  # ]:           0 :         batch.TxnAbort();
    2401   [ #  #  #  # ]:           0 :         return util::Error{str_err};
    2402                 :             :     }
    2403                 :             : 
    2404                 :             :     // Dump changes to disk
    2405   [ #  #  #  #  :           0 :     if (!batch.TxnCommit()) return util::Error{_("Error committing db txn for wallet transactions removal")};
             #  #  #  # ]
    2406                 :             : 
    2407                 :             :     // Update the in-memory state and notify upper layers about the removals
    2408         [ #  # ]:           0 :     for (const auto& it : erased_txs) {
    2409                 :           0 :         const uint256 hash{it->first};
    2410         [ #  # ]:           0 :         wtxOrdered.erase(it->second.m_it_wtxOrdered);
    2411         [ #  # ]:           0 :         for (const auto& txin : it->second.tx->vin)
    2412         [ #  # ]:           0 :             mapTxSpends.erase(txin.prevout);
    2413         [ #  # ]:           0 :         mapWallet.erase(it);
    2414         [ #  # ]:           0 :         NotifyTransactionChanged(hash, CT_DELETED);
    2415                 :           0 :     }
    2416                 :             : 
    2417         [ #  # ]:           0 :     MarkDirty();
    2418                 :             : 
    2419         [ #  # ]:           0 :     return {}; // all good
    2420                 :           0 : }
    2421                 :             : 
    2422                 :      345194 : bool CWallet::SetAddressBookWithDB(WalletBatch& batch, const CTxDestination& address, const std::string& strName, const std::optional<AddressPurpose>& new_purpose)
    2423                 :             : {
    2424                 :      345194 :     bool fUpdated = false;
    2425                 :      345194 :     bool is_mine;
    2426                 :      345194 :     std::optional<AddressPurpose> purpose;
    2427                 :             :     {
    2428                 :      345194 :         LOCK(cs_wallet);
    2429         [ +  - ]:      345194 :         std::map<CTxDestination, CAddressBookData>::iterator mi = m_address_book.find(address);
    2430   [ +  +  +  - ]:      345194 :         fUpdated = mi != m_address_book.end() && !mi->second.IsChange();
    2431                 :             : 
    2432   [ +  +  +  - ]:      345194 :         CAddressBookData& record = mi != m_address_book.end() ? mi->second : m_address_book[address];
    2433   [ +  -  +  - ]:      345194 :         record.SetLabel(strName);
    2434         [ +  - ]:      345194 :         is_mine = IsMine(address) != ISMINE_NO;
    2435         [ -  + ]:      345194 :         if (new_purpose) { /* update purpose only if requested */
    2436                 :      345194 :             record.purpose = new_purpose;
    2437                 :      345194 :         }
    2438                 :      345194 :         purpose = record.purpose;
    2439                 :      345194 :     }
    2440                 :             : 
    2441                 :      345194 :     const std::string& encoded_dest = EncodeDestination(address);
    2442   [ -  +  +  -  :      345194 :     if (new_purpose && !batch.WritePurpose(encoded_dest, PurposeToString(*new_purpose))) {
          +  -  -  +  -  
          +  +  -  #  #  
                   #  # ]
    2443         [ #  # ]:           0 :         WalletLogPrintf("Error: fail to write address book 'purpose' entry\n");
    2444                 :           0 :         return false;
    2445                 :             :     }
    2446   [ +  -  -  + ]:      345194 :     if (!batch.WriteName(encoded_dest, strName)) {
    2447         [ #  # ]:           0 :         WalletLogPrintf("Error: fail to write address book 'name' entry\n");
    2448                 :           0 :         return false;
    2449                 :             :     }
    2450                 :             : 
    2451                 :             :     // In very old wallets, address purpose may not be recorded so we derive it from IsMine
    2452         [ +  - ]:      345194 :     NotifyAddressBookChanged(address, strName, is_mine,
    2453         [ +  - ]:      345194 :                              purpose.value_or(is_mine ? AddressPurpose::RECEIVE : AddressPurpose::SEND),
    2454                 :      345194 :                              (fUpdated ? CT_UPDATED : CT_NEW));
    2455                 :      345194 :     return true;
    2456                 :      345194 : }
    2457                 :             : 
    2458                 :      345194 : bool CWallet::SetAddressBook(const CTxDestination& address, const std::string& strName, const std::optional<AddressPurpose>& purpose)
    2459                 :             : {
    2460                 :      345194 :     WalletBatch batch(GetDatabase());
    2461         [ +  - ]:      345194 :     return SetAddressBookWithDB(batch, address, strName, purpose);
    2462                 :      345194 : }
    2463                 :             : 
    2464                 :           0 : bool CWallet::DelAddressBook(const CTxDestination& address)
    2465                 :             : {
    2466         [ #  # ]:           0 :     return RunWithinTxn(GetDatabase(), /*process_desc=*/"address book entry removal", [&](WalletBatch& batch){
    2467                 :           0 :         return DelAddressBookWithDB(batch, address);
    2468                 :             :     });
    2469                 :           0 : }
    2470                 :             : 
    2471                 :           0 : bool CWallet::DelAddressBookWithDB(WalletBatch& batch, const CTxDestination& address)
    2472                 :             : {
    2473                 :           0 :     const std::string& dest = EncodeDestination(address);
    2474                 :             :     {
    2475   [ #  #  #  # ]:           0 :         LOCK(cs_wallet);
    2476                 :             :         // 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.
    2477                 :             :         // NOTE: This isn't a problem for sending addresses because they don't have any data that needs to be kept.
    2478                 :             :         // When adding new address data, it should be considered here whether to retain or delete it.
    2479   [ #  #  #  # ]:           0 :         if (IsMine(address)) {
    2480         [ #  # ]:           0 :             WalletLogPrintf("%s called with IsMine address, NOT SUPPORTED. Please report this bug! %s\n", __func__, PACKAGE_BUGREPORT);
    2481                 :           0 :             return false;
    2482                 :             :         }
    2483                 :             :         // Delete data rows associated with this address
    2484   [ #  #  #  # ]:           0 :         if (!batch.EraseAddressData(address)) {
    2485         [ #  # ]:           0 :             WalletLogPrintf("Error: cannot erase address book entry data\n");
    2486                 :           0 :             return false;
    2487                 :             :         }
    2488                 :             : 
    2489                 :             :         // Delete purpose entry
    2490   [ #  #  #  # ]:           0 :         if (!batch.ErasePurpose(dest)) {
    2491         [ #  # ]:           0 :             WalletLogPrintf("Error: cannot erase address book entry purpose\n");
    2492                 :           0 :             return false;
    2493                 :             :         }
    2494                 :             : 
    2495                 :             :         // Delete name entry
    2496   [ #  #  #  # ]:           0 :         if (!batch.EraseName(dest)) {
    2497         [ #  # ]:           0 :             WalletLogPrintf("Error: cannot erase address book entry name\n");
    2498                 :           0 :             return false;
    2499                 :             :         }
    2500                 :             : 
    2501                 :             :         // finally, remove it from the map
    2502         [ #  # ]:           0 :         m_address_book.erase(address);
    2503         [ #  # ]:           0 :     }
    2504                 :             : 
    2505                 :             :     // All good, signal changes
    2506   [ #  #  #  # ]:           0 :     NotifyAddressBookChanged(address, "", /*is_mine=*/false, AddressPurpose::SEND, CT_DELETED);
    2507                 :           0 :     return true;
    2508                 :           0 : }
    2509                 :             : 
    2510                 :           0 : size_t CWallet::KeypoolCountExternalKeys() const
    2511                 :             : {
    2512                 :           0 :     AssertLockHeld(cs_wallet);
    2513                 :             : 
    2514                 :           0 :     auto legacy_spk_man = GetLegacyScriptPubKeyMan();
    2515         [ #  # ]:           0 :     if (legacy_spk_man) {
    2516                 :           0 :         return legacy_spk_man->KeypoolCountExternalKeys();
    2517                 :             :     }
    2518                 :             : 
    2519                 :           0 :     unsigned int count = 0;
    2520         [ #  # ]:           0 :     for (auto spk_man : m_external_spk_managers) {
    2521                 :           0 :         count += spk_man.second->GetKeyPoolSize();
    2522                 :           0 :     }
    2523                 :             : 
    2524                 :           0 :     return count;
    2525                 :           0 : }
    2526                 :             : 
    2527                 :           0 : unsigned int CWallet::GetKeyPoolSize() const
    2528                 :             : {
    2529                 :           0 :     AssertLockHeld(cs_wallet);
    2530                 :             : 
    2531                 :           0 :     unsigned int count = 0;
    2532         [ #  # ]:           0 :     for (auto spk_man : GetActiveScriptPubKeyMans()) {
    2533         [ #  # ]:           0 :         count += spk_man->GetKeyPoolSize();
    2534                 :           0 :     }
    2535                 :           0 :     return count;
    2536                 :           0 : }
    2537                 :             : 
    2538                 :           0 : bool CWallet::TopUpKeyPool(unsigned int kpSize)
    2539                 :             : {
    2540                 :           0 :     LOCK(cs_wallet);
    2541                 :           0 :     bool res = true;
    2542   [ #  #  #  # ]:           0 :     for (auto spk_man : GetActiveScriptPubKeyMans()) {
    2543         [ #  # ]:           0 :         res &= spk_man->TopUp(kpSize);
    2544                 :           0 :     }
    2545                 :           0 :     return res;
    2546                 :           0 : }
    2547                 :             : 
    2548                 :      343982 : util::Result<CTxDestination> CWallet::GetNewDestination(const OutputType type, const std::string label)
    2549                 :             : {
    2550                 :      343982 :     LOCK(cs_wallet);
    2551         [ +  - ]:      343982 :     auto spk_man = GetScriptPubKeyMan(type, /*internal=*/false);
    2552         [ +  - ]:      343982 :     if (!spk_man) {
    2553   [ #  #  #  #  :           0 :         return util::Error{strprintf(_("Error: No %s addresses available."), FormatOutputType(type))};
             #  #  #  # ]
    2554                 :             :     }
    2555                 :             : 
    2556         [ +  - ]:      343982 :     auto op_dest = spk_man->GetNewDestination(type);
    2557         [ -  + ]:      343982 :     if (op_dest) {
    2558   [ +  -  +  - ]:      343982 :         SetAddressBook(*op_dest, label, AddressPurpose::RECEIVE);
    2559                 :      343982 :     }
    2560                 :             : 
    2561                 :      343982 :     return op_dest;
    2562         [ +  - ]:      687964 : }
    2563                 :             : 
    2564                 :      184745 : util::Result<CTxDestination> CWallet::GetNewChangeDestination(const OutputType type)
    2565                 :             : {
    2566                 :      184745 :     LOCK(cs_wallet);
    2567                 :             : 
    2568         [ +  - ]:      184745 :     ReserveDestination reservedest(this, type);
    2569         [ +  - ]:      184745 :     auto op_dest = reservedest.GetReservedDestination(true);
    2570   [ -  +  +  - ]:      184745 :     if (op_dest) reservedest.KeepDestination();
    2571                 :             : 
    2572                 :      184745 :     return op_dest;
    2573         [ +  - ]:      184745 : }
    2574                 :             : 
    2575                 :           0 : std::optional<int64_t> CWallet::GetOldestKeyPoolTime() const
    2576                 :             : {
    2577                 :           0 :     LOCK(cs_wallet);
    2578         [ #  # ]:           0 :     if (m_spk_managers.empty()) {
    2579                 :           0 :         return std::nullopt;
    2580                 :             :     }
    2581                 :             : 
    2582                 :           0 :     std::optional<int64_t> oldest_key{std::numeric_limits<int64_t>::max()};
    2583         [ #  # ]:           0 :     for (const auto& spk_man_pair : m_spk_managers) {
    2584   [ #  #  #  # ]:           0 :         oldest_key = std::min(oldest_key, spk_man_pair.second->GetOldestKeyPoolTime());
    2585                 :           0 :     }
    2586                 :           0 :     return oldest_key;
    2587                 :           0 : }
    2588                 :             : 
    2589                 :           0 : void CWallet::MarkDestinationsDirty(const std::set<CTxDestination>& destinations) {
    2590         [ #  # ]:           0 :     for (auto& entry : mapWallet) {
    2591                 :           0 :         CWalletTx& wtx = entry.second;
    2592         [ #  # ]:           0 :         if (wtx.m_is_cache_empty) continue;
    2593         [ #  # ]:           0 :         for (unsigned int i = 0; i < wtx.tx->vout.size(); i++) {
    2594                 :           0 :             CTxDestination dst;
    2595   [ #  #  #  #  :           0 :             if (ExtractDestination(wtx.tx->vout[i].scriptPubKey, dst) && destinations.count(dst)) {
             #  #  #  # ]
    2596         [ #  # ]:           0 :                 wtx.MarkDirty();
    2597                 :           0 :                 break;
    2598                 :             :             }
    2599         [ #  # ]:           0 :         }
    2600   [ #  #  #  #  :           0 :     }
                      # ]
    2601                 :           0 : }
    2602                 :             : 
    2603                 :           0 : void CWallet::ForEachAddrBookEntry(const ListAddrBookFunc& func) const
    2604                 :             : {
    2605                 :           0 :     AssertLockHeld(cs_wallet);
    2606         [ #  # ]:           0 :     for (const std::pair<const CTxDestination, CAddressBookData>& item : m_address_book) {
    2607                 :           0 :         const auto& entry = item.second;
    2608   [ #  #  #  # ]:           0 :         func(item.first, entry.GetLabel(), entry.IsChange(), entry.purpose);
    2609                 :           0 :     }
    2610                 :           0 : }
    2611                 :             : 
    2612                 :           0 : std::vector<CTxDestination> CWallet::ListAddrBookAddresses(const std::optional<AddrBookFilter>& _filter) const
    2613                 :             : {
    2614                 :           0 :     AssertLockHeld(cs_wallet);
    2615                 :           0 :     std::vector<CTxDestination> result;
    2616   [ #  #  #  # ]:           0 :     AddrBookFilter filter = _filter ? *_filter : AddrBookFilter();
    2617         [ #  # ]:           0 :     ForEachAddrBookEntry([&result, &filter](const CTxDestination& dest, const std::string& label, bool is_change, const std::optional<AddressPurpose>& purpose) {
    2618                 :             :         // Filter by change
    2619   [ #  #  #  # ]:           0 :         if (filter.ignore_change && is_change) return;
    2620                 :             :         // Filter by label
    2621   [ #  #  #  # ]:           0 :         if (filter.m_op_label && *filter.m_op_label != label) return;
    2622                 :             :         // All good
    2623                 :           0 :         result.emplace_back(dest);
    2624                 :           0 :     });
    2625                 :           0 :     return result;
    2626         [ #  # ]:           0 : }
    2627                 :             : 
    2628                 :           0 : std::set<std::string> CWallet::ListAddrBookLabels(const std::optional<AddressPurpose> purpose) const
    2629                 :             : {
    2630                 :           0 :     AssertLockHeld(cs_wallet);
    2631                 :           0 :     std::set<std::string> label_set;
    2632         [ #  # ]:           0 :     ForEachAddrBookEntry([&](const CTxDestination& _dest, const std::string& _label,
    2633                 :             :                              bool _is_change, const std::optional<AddressPurpose>& _purpose) {
    2634         [ #  # ]:           0 :         if (_is_change) return;
    2635   [ #  #  #  # ]:           0 :         if (!purpose || purpose == _purpose) {
    2636                 :           0 :             label_set.insert(_label);
    2637                 :           0 :         }
    2638                 :           0 :     });
    2639                 :           0 :     return label_set;
    2640         [ #  # ]:           0 : }
    2641                 :             : 
    2642                 :      203863 : util::Result<CTxDestination> ReserveDestination::GetReservedDestination(bool internal)
    2643                 :             : {
    2644                 :      203863 :     m_spk_man = pwallet->GetScriptPubKeyMan(type, internal);
    2645         [ +  - ]:      203863 :     if (!m_spk_man) {
    2646   [ #  #  #  #  :           0 :         return util::Error{strprintf(_("Error: No %s addresses available."), FormatOutputType(type))};
                   #  # ]
    2647                 :             :     }
    2648                 :             : 
    2649         [ -  + ]:      203863 :     if (nIndex == -1) {
    2650                 :      203863 :         CKeyPool keypool;
    2651                 :      203863 :         int64_t index;
    2652                 :      203863 :         auto op_address = m_spk_man->GetReservedDestination(type, internal, index, keypool);
    2653         [ +  - ]:      203863 :         if (!op_address) return op_address;
    2654                 :      203863 :         nIndex = index;
    2655   [ +  -  +  - ]:      203863 :         address = *op_address;
    2656                 :      203863 :         fInternal = keypool.fInternal;
    2657   [ -  +  -  -  :      203863 :     }
                      + ]
    2658         [ +  - ]:      203863 :     return address;
    2659                 :      203863 : }
    2660                 :             : 
    2661                 :      220740 : void ReserveDestination::KeepDestination()
    2662                 :             : {
    2663         [ +  + ]:      220740 :     if (nIndex != -1) {
    2664                 :      189136 :         m_spk_man->KeepDestination(nIndex, type);
    2665                 :      189136 :     }
    2666                 :      220740 :     nIndex = -1;
    2667                 :      220740 :     address = CNoDestination();
    2668                 :      220740 : }
    2669                 :             : 
    2670                 :      292550 : void ReserveDestination::ReturnDestination()
    2671                 :             : {
    2672         [ +  + ]:      292550 :     if (nIndex != -1) {
    2673                 :       14727 :         m_spk_man->ReturnDestination(nIndex, fInternal, address);
    2674                 :       14727 :     }
    2675                 :      292550 :     nIndex = -1;
    2676                 :      292550 :     address = CNoDestination();
    2677                 :      292550 : }
    2678                 :             : 
    2679                 :           0 : util::Result<void> CWallet::DisplayAddress(const CTxDestination& dest)
    2680                 :             : {
    2681                 :           0 :     CScript scriptPubKey = GetScriptForDestination(dest);
    2682   [ #  #  #  #  :           0 :     for (const auto& spk_man : GetScriptPubKeyMans(scriptPubKey)) {
                   #  # ]
    2683         [ #  # ]:           0 :         auto signer_spk_man = dynamic_cast<ExternalSignerScriptPubKeyMan *>(spk_man);
    2684         [ #  # ]:           0 :         if (signer_spk_man == nullptr) {
    2685                 :           0 :             continue;
    2686                 :             :         }
    2687         [ #  # ]:           0 :         ExternalSigner signer = ExternalSignerScriptPubKeyMan::GetExternalSigner();
    2688         [ #  # ]:           0 :         return signer_spk_man->DisplayAddress(dest, signer);
    2689         [ #  # ]:           0 :     }
    2690   [ #  #  #  # ]:           0 :     return util::Error{_("There is no ScriptPubKeyManager for this address")};
    2691                 :           0 : }
    2692                 :             : 
    2693                 :           0 : bool CWallet::LockCoin(const COutPoint& output, WalletBatch* batch)
    2694                 :             : {
    2695                 :           0 :     AssertLockHeld(cs_wallet);
    2696                 :           0 :     setLockedCoins.insert(output);
    2697         [ #  # ]:           0 :     if (batch) {
    2698                 :           0 :         return batch->WriteLockedUTXO(output);
    2699                 :             :     }
    2700                 :           0 :     return true;
    2701                 :           0 : }
    2702                 :             : 
    2703                 :      574983 : bool CWallet::UnlockCoin(const COutPoint& output, WalletBatch* batch)
    2704                 :             : {
    2705                 :      574983 :     AssertLockHeld(cs_wallet);
    2706                 :      574983 :     bool was_locked = setLockedCoins.erase(output);
    2707   [ +  -  +  - ]:      574983 :     if (batch && was_locked) {
    2708                 :           0 :         return batch->EraseLockedUTXO(output);
    2709                 :             :     }
    2710                 :      574983 :     return true;
    2711                 :      574983 : }
    2712                 :             : 
    2713                 :           0 : bool CWallet::UnlockAllCoins()
    2714                 :             : {
    2715                 :           0 :     AssertLockHeld(cs_wallet);
    2716                 :           0 :     bool success = true;
    2717                 :           0 :     WalletBatch batch(GetDatabase());
    2718         [ #  # ]:           0 :     for (auto it = setLockedCoins.begin(); it != setLockedCoins.end(); ++it) {
    2719         [ #  # ]:           0 :         success &= batch.EraseLockedUTXO(*it);
    2720                 :           0 :     }
    2721                 :           0 :     setLockedCoins.clear();
    2722                 :           0 :     return success;
    2723                 :           0 : }
    2724                 :             : 
    2725                 :    23812902 : bool CWallet::IsLockedCoin(const COutPoint& output) const
    2726                 :             : {
    2727                 :    23812902 :     AssertLockHeld(cs_wallet);
    2728                 :    23812902 :     return setLockedCoins.count(output) > 0;
    2729                 :             : }
    2730                 :             : 
    2731                 :           0 : void CWallet::ListLockedCoins(std::vector<COutPoint>& vOutpts) const
    2732                 :             : {
    2733                 :           0 :     AssertLockHeld(cs_wallet);
    2734         [ #  # ]:           0 :     for (std::set<COutPoint>::iterator it = setLockedCoins.begin();
    2735                 :           0 :          it != setLockedCoins.end(); it++) {
    2736                 :           0 :         COutPoint outpt = (*it);
    2737                 :           0 :         vOutpts.push_back(outpt);
    2738                 :           0 :     }
    2739                 :           0 : }
    2740                 :             : 
    2741                 :             : /** @} */ // end of Actions
    2742                 :             : 
    2743                 :           0 : void CWallet::GetKeyBirthTimes(std::map<CKeyID, int64_t>& mapKeyBirth) const {
    2744                 :           0 :     AssertLockHeld(cs_wallet);
    2745                 :           0 :     mapKeyBirth.clear();
    2746                 :             : 
    2747                 :             :     // map in which we'll infer heights of other keys
    2748                 :           0 :     std::map<CKeyID, const TxStateConfirmed*> mapKeyFirstBlock;
    2749   [ #  #  #  # ]:           0 :     TxStateConfirmed max_confirm{uint256{}, /*height=*/-1, /*index=*/-1};
    2750   [ #  #  #  #  :           0 :     max_confirm.confirmed_block_height = GetLastBlockHeight() > 144 ? GetLastBlockHeight() - 144 : 0; // the tip can be reorganized; use a 144-block safety margin
                   #  # ]
    2751   [ #  #  #  #  :           0 :     CHECK_NONFATAL(chain().findAncestorByHeight(GetLastBlockHash(), max_confirm.confirmed_block_height, FoundBlock().hash(max_confirm.confirmed_block_hash)));
          #  #  #  #  #  
                      # ]
    2752                 :             : 
    2753                 :             :     {
    2754         [ #  # ]:           0 :         LegacyScriptPubKeyMan* spk_man = GetLegacyScriptPubKeyMan();
    2755         [ #  # ]:           0 :         assert(spk_man != nullptr);
    2756   [ #  #  #  # ]:           0 :         LOCK(spk_man->cs_KeyStore);
    2757                 :             : 
    2758                 :             :         // get birth times for keys with metadata
    2759         [ #  # ]:           0 :         for (const auto& entry : spk_man->mapKeyMetadata) {
    2760         [ #  # ]:           0 :             if (entry.second.nCreateTime) {
    2761         [ #  # ]:           0 :                 mapKeyBirth[entry.first] = entry.second.nCreateTime;
    2762                 :           0 :             }
    2763                 :           0 :         }
    2764                 :             : 
    2765                 :             :         // Prepare to infer birth heights for keys without metadata
    2766   [ #  #  #  # ]:           0 :         for (const CKeyID &keyid : spk_man->GetKeys()) {
    2767   [ #  #  #  # ]:           0 :             if (mapKeyBirth.count(keyid) == 0)
    2768         [ #  # ]:           0 :                 mapKeyFirstBlock[keyid] = &max_confirm;
    2769                 :           0 :         }
    2770                 :             : 
    2771                 :             :         // if there are no such keys, we're done
    2772         [ #  # ]:           0 :         if (mapKeyFirstBlock.empty())
    2773                 :           0 :             return;
    2774                 :             : 
    2775                 :             :         // find first block that affects those keys, if there are any left
    2776         [ #  # ]:           0 :         for (const auto& entry : mapWallet) {
    2777                 :             :             // iterate over all wallet transactions...
    2778                 :           0 :             const CWalletTx &wtx = entry.second;
    2779   [ #  #  #  # ]:           0 :             if (auto* conf = wtx.state<TxStateConfirmed>()) {
    2780                 :             :                 // ... which are already in a block
    2781         [ #  # ]:           0 :                 for (const CTxOut &txout : wtx.tx->vout) {
    2782                 :             :                     // iterate over all their outputs
    2783   [ #  #  #  # ]:           0 :                     for (const auto &keyid : GetAffectedKeys(txout.scriptPubKey, *spk_man)) {
    2784                 :             :                         // ... and all their affected keys
    2785         [ #  # ]:           0 :                         auto rit = mapKeyFirstBlock.find(keyid);
    2786   [ #  #  #  # ]:           0 :                         if (rit != mapKeyFirstBlock.end() && conf->confirmed_block_height < rit->second->confirmed_block_height) {
    2787                 :           0 :                             rit->second = conf;
    2788                 :           0 :                         }
    2789                 :           0 :                     }
    2790                 :           0 :                 }
    2791                 :           0 :             }
    2792                 :           0 :         }
    2793         [ #  # ]:           0 :     }
    2794                 :             : 
    2795                 :             :     // Extract block timestamps for those keys
    2796         [ #  # ]:           0 :     for (const auto& entry : mapKeyFirstBlock) {
    2797                 :           0 :         int64_t block_time;
    2798   [ #  #  #  #  :           0 :         CHECK_NONFATAL(chain().findBlock(entry.second->confirmed_block_hash, FoundBlock().time(block_time)));
             #  #  #  # ]
    2799         [ #  # ]:           0 :         mapKeyBirth[entry.first] = block_time - TIMESTAMP_WINDOW; // block times can be 2h off
    2800                 :           0 :     }
    2801         [ #  # ]:           0 : }
    2802                 :             : 
    2803                 :             : /**
    2804                 :             :  * Compute smart timestamp for a transaction being added to the wallet.
    2805                 :             :  *
    2806                 :             :  * Logic:
    2807                 :             :  * - If sending a transaction, assign its timestamp to the current time.
    2808                 :             :  * - If receiving a transaction outside a block, assign its timestamp to the
    2809                 :             :  *   current time.
    2810                 :             :  * - If receiving a transaction during a rescanning process, assign all its
    2811                 :             :  *   (not already known) transactions' timestamps to the block time.
    2812                 :             :  * - If receiving a block with a future timestamp, assign all its (not already
    2813                 :             :  *   known) transactions' timestamps to the current time.
    2814                 :             :  * - If receiving a block with a past timestamp, before the most recent known
    2815                 :             :  *   transaction (that we care about), assign all its (not already known)
    2816                 :             :  *   transactions' timestamps to the same timestamp as that most-recent-known
    2817                 :             :  *   transaction.
    2818                 :             :  * - If receiving a block with a past timestamp, but after the most recent known
    2819                 :             :  *   transaction, assign all its (not already known) transactions' timestamps to
    2820                 :             :  *   the block time.
    2821                 :             :  *
    2822                 :             :  * For more information see CWalletTx::nTimeSmart,
    2823                 :             :  * https://bitcointalk.org/?topic=54527, or
    2824                 :             :  * https://github.com/bitcoin/bitcoin/pull/1393.
    2825                 :             :  */
    2826                 :      145160 : unsigned int CWallet::ComputeTimeSmart(const CWalletTx& wtx, bool rescanning_old_block) const
    2827                 :             : {
    2828                 :      145160 :     std::optional<uint256> block_hash;
    2829         [ +  - ]:      290320 :     if (auto* conf = wtx.state<TxStateConfirmed>()) {
    2830                 :      145160 :         block_hash = conf->confirmed_block_hash;
    2831         [ #  # ]:      145160 :     } else if (auto* conf = wtx.state<TxStateBlockConflicted>()) {
    2832                 :           0 :         block_hash = conf->conflicting_block_hash;
    2833                 :           0 :     }
    2834                 :             : 
    2835                 :      145160 :     unsigned int nTimeSmart = wtx.nTimeReceived;
    2836         [ -  + ]:      145160 :     if (block_hash) {
    2837                 :      145160 :         int64_t blocktime;
    2838                 :      145160 :         int64_t block_max_time;
    2839         [ -  + ]:      145160 :         if (chain().findBlock(*block_hash, FoundBlock().time(blocktime).maxTime(block_max_time))) {
    2840         [ #  # ]:           0 :             if (rescanning_old_block) {
    2841                 :           0 :                 nTimeSmart = block_max_time;
    2842                 :           0 :             } else {
    2843                 :           0 :                 int64_t latestNow = wtx.nTimeReceived;
    2844                 :           0 :                 int64_t latestEntry = 0;
    2845                 :             : 
    2846                 :             :                 // Tolerate times up to the last timestamp in the wallet not more than 5 minutes into the future
    2847                 :           0 :                 int64_t latestTolerated = latestNow + 300;
    2848                 :           0 :                 const TxItems& txOrdered = wtxOrdered;
    2849         [ #  # ]:           0 :                 for (auto it = txOrdered.rbegin(); it != txOrdered.rend(); ++it) {
    2850                 :           0 :                     CWalletTx* const pwtx = it->second;
    2851         [ #  # ]:           0 :                     if (pwtx == &wtx) {
    2852                 :           0 :                         continue;
    2853                 :             :                     }
    2854                 :           0 :                     int64_t nSmartTime;
    2855                 :           0 :                     nSmartTime = pwtx->nTimeSmart;
    2856         [ #  # ]:           0 :                     if (!nSmartTime) {
    2857                 :           0 :                         nSmartTime = pwtx->nTimeReceived;
    2858                 :           0 :                     }
    2859         [ #  # ]:           0 :                     if (nSmartTime <= latestTolerated) {
    2860                 :           0 :                         latestEntry = nSmartTime;
    2861         [ #  # ]:           0 :                         if (nSmartTime > latestNow) {
    2862                 :           0 :                             latestNow = nSmartTime;
    2863                 :           0 :                         }
    2864                 :           0 :                         break;
    2865                 :             :                     }
    2866      [ #  #  # ]:           0 :                 }
    2867                 :             : 
    2868                 :           0 :                 nTimeSmart = std::max(latestEntry, std::min(blocktime, latestNow));
    2869                 :           0 :             }
    2870                 :           0 :         } else {
    2871   [ +  -  +  - ]:      145160 :             WalletLogPrintf("%s: found %s in block %s not in index\n", __func__, wtx.GetHash().ToString(), block_hash->ToString());
    2872                 :             :         }
    2873                 :      145160 :     }
    2874                 :      290320 :     return nTimeSmart;
    2875                 :      145160 : }
    2876                 :             : 
    2877                 :           0 : bool CWallet::SetAddressPreviouslySpent(WalletBatch& batch, const CTxDestination& dest, bool used)
    2878                 :             : {
    2879         [ #  # ]:           0 :     if (std::get_if<CNoDestination>(&dest))
    2880                 :           0 :         return false;
    2881                 :             : 
    2882         [ #  # ]:           0 :     if (!used) {
    2883         [ #  # ]:           0 :         if (auto* data{common::FindKey(m_address_book, dest)}) data->previously_spent = false;
    2884                 :           0 :         return batch.WriteAddressPreviouslySpent(dest, false);
    2885                 :             :     }
    2886                 :             : 
    2887                 :           0 :     LoadAddressPreviouslySpent(dest);
    2888                 :           0 :     return batch.WriteAddressPreviouslySpent(dest, true);
    2889                 :           0 : }
    2890                 :             : 
    2891                 :           0 : void CWallet::LoadAddressPreviouslySpent(const CTxDestination& dest)
    2892                 :             : {
    2893                 :           0 :     m_address_book[dest].previously_spent = true;
    2894                 :           0 : }
    2895                 :             : 
    2896                 :           0 : void CWallet::LoadAddressReceiveRequest(const CTxDestination& dest, const std::string& id, const std::string& request)
    2897                 :             : {
    2898                 :           0 :     m_address_book[dest].receive_requests[id] = request;
    2899                 :           0 : }
    2900                 :             : 
    2901                 :           0 : bool CWallet::IsAddressPreviouslySpent(const CTxDestination& dest) const
    2902                 :             : {
    2903   [ #  #  #  #  :           0 :     if (auto* data{common::FindKey(m_address_book, dest)}) return data->previously_spent;
                      # ]
    2904                 :           0 :     return false;
    2905                 :           0 : }
    2906                 :             : 
    2907                 :           0 : std::vector<std::string> CWallet::GetAddressReceiveRequests() const
    2908                 :             : {
    2909                 :           0 :     std::vector<std::string> values;
    2910         [ #  # ]:           0 :     for (const auto& [dest, entry] : m_address_book) {
    2911         [ #  # ]:           0 :         for (const auto& [id, request] : entry.receive_requests) {
    2912         [ #  # ]:           0 :             values.emplace_back(request);
    2913                 :           0 :         }
    2914                 :           0 :     }
    2915                 :           0 :     return values;
    2916         [ #  # ]:           0 : }
    2917                 :             : 
    2918                 :           0 : bool CWallet::SetAddressReceiveRequest(WalletBatch& batch, const CTxDestination& dest, const std::string& id, const std::string& value)
    2919                 :             : {
    2920         [ #  # ]:           0 :     if (!batch.WriteAddressReceiveRequest(dest, id, value)) return false;
    2921                 :           0 :     m_address_book[dest].receive_requests[id] = value;
    2922                 :           0 :     return true;
    2923                 :           0 : }
    2924                 :             : 
    2925                 :           0 : bool CWallet::EraseAddressReceiveRequest(WalletBatch& batch, const CTxDestination& dest, const std::string& id)
    2926                 :             : {
    2927         [ #  # ]:           0 :     if (!batch.EraseAddressReceiveRequest(dest, id)) return false;
    2928                 :           0 :     m_address_book[dest].receive_requests.erase(id);
    2929                 :           0 :     return true;
    2930                 :           0 : }
    2931                 :             : 
    2932                 :           0 : std::unique_ptr<WalletDatabase> MakeWalletDatabase(const std::string& name, const DatabaseOptions& options, DatabaseStatus& status, bilingual_str& error_string)
    2933                 :             : {
    2934                 :             :     // Do some checking on wallet path. It should be either a:
    2935                 :             :     //
    2936                 :             :     // 1. Path where a directory can be created.
    2937                 :             :     // 2. Path to an existing directory.
    2938                 :             :     // 3. Path to a symlink to a directory.
    2939                 :             :     // 4. For backwards compatibility, the name of a data file in -walletdir.
    2940   [ #  #  #  # ]:           0 :     const fs::path wallet_path = fsbridge::AbsPathJoin(GetWalletDir(), fs::PathFromString(name));
    2941         [ #  # ]:           0 :     fs::file_type path_type = fs::symlink_status(wallet_path).type();
    2942   [ #  #  #  #  :           0 :     if (!(path_type == fs::file_type::not_found || path_type == fs::file_type::directory ||
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
             #  #  #  # ]
    2943   [ #  #  #  #  :           0 :           (path_type == fs::file_type::symlink && fs::is_directory(wallet_path)) ||
                   #  # ]
    2944   [ #  #  #  #  :           0 :           (path_type == fs::file_type::regular && fs::PathFromString(name).filename() == fs::PathFromString(name)))) {
             #  #  #  # ]
    2945   [ #  #  #  # ]:           0 :         error_string = Untranslated(strprintf(
    2946                 :             :               "Invalid -wallet path '%s'. -wallet path should point to a directory where wallet.dat and "
    2947                 :             :               "database/log.?????????? files can be stored, a location where such a directory could be created, "
    2948                 :             :               "or (for backwards compatibility) the name of an existing data file in -walletdir (%s)",
    2949   [ #  #  #  #  :           0 :               name, fs::quoted(fs::PathToString(GetWalletDir()))));
                   #  # ]
    2950                 :           0 :         status = DatabaseStatus::FAILED_BAD_PATH;
    2951                 :           0 :         return nullptr;
    2952                 :             :     }
    2953         [ #  # ]:           0 :     return MakeDatabase(wallet_path, options, status, error_string);
    2954                 :           0 : }
    2955                 :             : 
    2956                 :           0 : std::shared_ptr<CWallet> CWallet::Create(WalletContext& context, const std::string& name, std::unique_ptr<WalletDatabase> database, uint64_t wallet_creation_flags, bilingual_str& error, std::vector<bilingual_str>& warnings)
    2957                 :             : {
    2958                 :           0 :     interfaces::Chain* chain = context.chain;
    2959                 :           0 :     ArgsManager& args = *Assert(context.args);
    2960                 :           0 :     const std::string& walletFile = database->Filename();
    2961                 :             : 
    2962                 :           0 :     const auto start{SteadyClock::now()};
    2963                 :             :     // TODO: Can't use std::make_shared because we need a custom deleter but
    2964                 :             :     // should be possible to use std::allocate_shared.
    2965   [ #  #  #  #  :           0 :     std::shared_ptr<CWallet> walletInstance(new CWallet(chain, name, std::move(database)), ReleaseWallet);
             #  #  #  # ]
    2966   [ #  #  #  #  :           0 :     walletInstance->m_keypool_size = std::max(args.GetIntArg("-keypool", DEFAULT_KEYPOOL_SIZE), int64_t{1});
                   #  # ]
    2967   [ #  #  #  #  :           0 :     walletInstance->m_notify_tx_changed_script = args.GetArg("-walletnotify", "");
                   #  # ]
    2968                 :             : 
    2969                 :             :     // Load wallet
    2970                 :           0 :     bool rescan_required = false;
    2971         [ #  # ]:           0 :     DBErrors nLoadWalletRet = walletInstance->LoadWallet();
    2972         [ #  # ]:           0 :     if (nLoadWalletRet != DBErrors::LOAD_OK) {
    2973         [ #  # ]:           0 :         if (nLoadWalletRet == DBErrors::CORRUPT) {
    2974   [ #  #  #  # ]:           0 :             error = strprintf(_("Error loading %s: Wallet corrupted"), walletFile);
    2975                 :           0 :             return nullptr;
    2976                 :             :         }
    2977         [ #  # ]:           0 :         else if (nLoadWalletRet == DBErrors::NONCRITICAL_ERROR)
    2978                 :             :         {
    2979   [ #  #  #  #  :           0 :             warnings.push_back(strprintf(_("Error reading %s! All keys read correctly, but transaction data"
                   #  # ]
    2980                 :             :                                            " or address metadata may be missing or incorrect."),
    2981                 :           0 :                 walletFile));
    2982                 :           0 :         }
    2983         [ #  # ]:           0 :         else if (nLoadWalletRet == DBErrors::TOO_NEW) {
    2984   [ #  #  #  # ]:           0 :             error = strprintf(_("Error loading %s: Wallet requires newer version of %s"), walletFile, PACKAGE_NAME);
    2985                 :           0 :             return nullptr;
    2986                 :             :         }
    2987         [ #  # ]:           0 :         else if (nLoadWalletRet == DBErrors::EXTERNAL_SIGNER_SUPPORT_REQUIRED) {
    2988   [ #  #  #  # ]:           0 :             error = strprintf(_("Error loading %s: External signer wallet being loaded without external signer support compiled"), walletFile);
    2989                 :           0 :             return nullptr;
    2990                 :             :         }
    2991         [ #  # ]:           0 :         else if (nLoadWalletRet == DBErrors::NEED_REWRITE)
    2992                 :             :         {
    2993   [ #  #  #  # ]:           0 :             error = strprintf(_("Wallet needed to be rewritten: restart %s to complete"), PACKAGE_NAME);
    2994                 :           0 :             return nullptr;
    2995         [ #  # ]:           0 :         } else if (nLoadWalletRet == DBErrors::NEED_RESCAN) {
    2996   [ #  #  #  #  :           0 :             warnings.push_back(strprintf(_("Error reading %s! Transaction data may be missing or incorrect."
                   #  # ]
    2997                 :           0 :                                            " Rescanning wallet."), walletFile));
    2998                 :           0 :             rescan_required = true;
    2999         [ #  # ]:           0 :         } else if (nLoadWalletRet == DBErrors::UNKNOWN_DESCRIPTOR) {
    3000   [ #  #  #  # ]:           0 :             error = strprintf(_("Unrecognized descriptor found. Loading wallet %s\n\n"
    3001                 :             :                                 "The wallet might had been created on a newer version.\n"
    3002                 :           0 :                                 "Please try running the latest software version.\n"), walletFile);
    3003                 :           0 :             return nullptr;
    3004         [ #  # ]:           0 :         } else if (nLoadWalletRet == DBErrors::UNEXPECTED_LEGACY_ENTRY) {
    3005   [ #  #  #  # ]:           0 :             error = strprintf(_("Unexpected legacy entry in descriptor wallet found. Loading wallet %s\n\n"
    3006                 :           0 :                                 "The wallet might have been tampered with or created with malicious intent.\n"), walletFile);
    3007                 :           0 :             return nullptr;
    3008                 :             :         } else {
    3009   [ #  #  #  # ]:           0 :             error = strprintf(_("Error loading %s"), walletFile);
    3010                 :           0 :             return nullptr;
    3011                 :             :         }
    3012                 :           0 :     }
    3013                 :             : 
    3014                 :             :     // This wallet is in its first run if there are no ScriptPubKeyMans and it isn't blank or no privkeys
    3015         [ #  # ]:           0 :     const bool fFirstRun = walletInstance->m_spk_managers.empty() &&
    3016         [ #  # ]:           0 :                      !walletInstance->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS) &&
    3017                 :           0 :                      !walletInstance->IsWalletFlagSet(WALLET_FLAG_BLANK_WALLET);
    3018         [ #  # ]:           0 :     if (fFirstRun)
    3019                 :             :     {
    3020                 :             :         // ensure this wallet.dat can only be opened by clients supporting HD with chain split and expects no default key
    3021         [ #  # ]:           0 :         walletInstance->SetMinVersion(FEATURE_LATEST);
    3022                 :             : 
    3023         [ #  # ]:           0 :         walletInstance->InitWalletFlags(wallet_creation_flags);
    3024                 :             : 
    3025                 :             :         // Only create LegacyScriptPubKeyMan when not descriptor wallet
    3026         [ #  # ]:           0 :         if (!walletInstance->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
    3027         [ #  # ]:           0 :             walletInstance->SetupLegacyScriptPubKeyMan();
    3028                 :           0 :         }
    3029                 :             : 
    3030   [ #  #  #  # ]:           0 :         if ((wallet_creation_flags & WALLET_FLAG_EXTERNAL_SIGNER) || !(wallet_creation_flags & (WALLET_FLAG_DISABLE_PRIVATE_KEYS | WALLET_FLAG_BLANK_WALLET))) {
    3031   [ #  #  #  # ]:           0 :             LOCK(walletInstance->cs_wallet);
    3032         [ #  # ]:           0 :             if (walletInstance->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
    3033         [ #  # ]:           0 :                 walletInstance->SetupDescriptorScriptPubKeyMans();
    3034                 :             :                 // SetupDescriptorScriptPubKeyMans already calls SetupGeneration for us so we don't need to call SetupGeneration separately
    3035                 :           0 :             } else {
    3036                 :             :                 // Legacy wallets need SetupGeneration here.
    3037   [ #  #  #  #  :           0 :                 for (auto spk_man : walletInstance->GetActiveScriptPubKeyMans()) {
                   #  # ]
    3038   [ #  #  #  # ]:           0 :                     if (!spk_man->SetupGeneration()) {
    3039         [ #  # ]:           0 :                         error = _("Unable to generate initial keys");
    3040                 :           0 :                         return nullptr;
    3041                 :             :                     }
    3042         [ #  # ]:           0 :                 }
    3043                 :             :             }
    3044         [ #  # ]:           0 :         }
    3045                 :             : 
    3046         [ #  # ]:           0 :         if (chain) {
    3047   [ #  #  #  # ]:           0 :             walletInstance->chainStateFlushed(ChainstateRole::NORMAL, chain->getTipLocator());
    3048                 :           0 :         }
    3049         [ #  # ]:           0 :     } else if (wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS) {
    3050                 :             :         // Make it impossible to disable private keys after creation
    3051   [ #  #  #  # ]:           0 :         error = strprintf(_("Error loading %s: Private keys can only be disabled during creation"), walletFile);
    3052                 :           0 :         return nullptr;
    3053         [ #  # ]:           0 :     } else if (walletInstance->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
    3054   [ #  #  #  # ]:           0 :         for (auto spk_man : walletInstance->GetActiveScriptPubKeyMans()) {
    3055   [ #  #  #  # ]:           0 :             if (spk_man->HavePrivateKeys()) {
    3056   [ #  #  #  #  :           0 :                 warnings.push_back(strprintf(_("Warning: Private keys detected in wallet {%s} with disabled private keys"), walletFile));
                   #  # ]
    3057                 :           0 :                 break;
    3058                 :             :             }
    3059         [ #  # ]:           0 :         }
    3060                 :           0 :     }
    3061                 :             : 
    3062   [ #  #  #  #  :           0 :     if (!args.GetArg("-addresstype", "").empty()) {
             #  #  #  # ]
    3063   [ #  #  #  #  :           0 :         std::optional<OutputType> parsed = ParseOutputType(args.GetArg("-addresstype", ""));
             #  #  #  # ]
    3064         [ #  # ]:           0 :         if (!parsed) {
    3065   [ #  #  #  #  :           0 :             error = strprintf(_("Unknown address type '%s'"), args.GetArg("-addresstype", ""));
          #  #  #  #  #  
                      # ]
    3066                 :           0 :             return nullptr;
    3067                 :             :         }
    3068         [ #  # ]:           0 :         walletInstance->m_default_address_type = parsed.value();
    3069         [ #  # ]:           0 :     }
    3070                 :             : 
    3071   [ #  #  #  #  :           0 :     if (!args.GetArg("-changetype", "").empty()) {
             #  #  #  # ]
    3072   [ #  #  #  #  :           0 :         std::optional<OutputType> parsed = ParseOutputType(args.GetArg("-changetype", ""));
             #  #  #  # ]
    3073         [ #  # ]:           0 :         if (!parsed) {
    3074   [ #  #  #  #  :           0 :             error = strprintf(_("Unknown change type '%s'"), args.GetArg("-changetype", ""));
          #  #  #  #  #  
                      # ]
    3075                 :           0 :             return nullptr;
    3076                 :             :         }
    3077         [ #  # ]:           0 :         walletInstance->m_default_change_type = parsed.value();
    3078         [ #  # ]:           0 :     }
    3079                 :             : 
    3080   [ #  #  #  #  :           0 :     if (args.IsArgSet("-mintxfee")) {
                   #  # ]
    3081   [ #  #  #  #  :           0 :         std::optional<CAmount> min_tx_fee = ParseMoney(args.GetArg("-mintxfee", ""));
             #  #  #  # ]
    3082         [ #  # ]:           0 :         if (!min_tx_fee) {
    3083   [ #  #  #  #  :           0 :             error = AmountErrMsg("mintxfee", args.GetArg("-mintxfee", ""));
          #  #  #  #  #  
                      # ]
    3084                 :           0 :             return nullptr;
    3085   [ #  #  #  # ]:           0 :         } else if (min_tx_fee.value() > HIGH_TX_FEE_PER_KB) {
    3086   [ #  #  #  #  :           0 :             warnings.push_back(AmountHighWarn("-mintxfee") + Untranslated(" ") +
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    3087         [ #  # ]:           0 :                                _("This is the minimum transaction fee you pay on every transaction."));
    3088                 :           0 :         }
    3089                 :             : 
    3090   [ #  #  #  # ]:           0 :         walletInstance->m_min_fee = CFeeRate{min_tx_fee.value()};
    3091         [ #  # ]:           0 :     }
    3092                 :             : 
    3093   [ #  #  #  #  :           0 :     if (args.IsArgSet("-maxapsfee")) {
                   #  # ]
    3094   [ #  #  #  #  :           0 :         const std::string max_aps_fee{args.GetArg("-maxapsfee", "")};
                   #  # ]
    3095   [ #  #  #  # ]:           0 :         if (max_aps_fee == "-1") {
    3096                 :           0 :             walletInstance->m_max_aps_fee = -1;
    3097   [ #  #  #  #  :           0 :         } else if (std::optional<CAmount> max_fee = ParseMoney(max_aps_fee)) {
                   #  # ]
    3098   [ #  #  #  # ]:           0 :             if (max_fee.value() > HIGH_APS_FEE) {
    3099   [ #  #  #  #  :           0 :                 warnings.push_back(AmountHighWarn("-maxapsfee") + Untranslated(" ") +
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    3100         [ #  # ]:           0 :                                   _("This is the maximum transaction fee you pay (in addition to the normal fee) to prioritize partial spend avoidance over regular coin selection."));
    3101                 :           0 :             }
    3102         [ #  # ]:           0 :             walletInstance->m_max_aps_fee = max_fee.value();
    3103                 :           0 :         } else {
    3104   [ #  #  #  # ]:           0 :             error = AmountErrMsg("maxapsfee", max_aps_fee);
    3105                 :           0 :             return nullptr;
    3106                 :             :         }
    3107         [ #  # ]:           0 :     }
    3108                 :             : 
    3109   [ #  #  #  #  :           0 :     if (args.IsArgSet("-fallbackfee")) {
                   #  # ]
    3110   [ #  #  #  #  :           0 :         std::optional<CAmount> fallback_fee = ParseMoney(args.GetArg("-fallbackfee", ""));
             #  #  #  # ]
    3111         [ #  # ]:           0 :         if (!fallback_fee) {
    3112   [ #  #  #  #  :           0 :             error = strprintf(_("Invalid amount for %s=<amount>: '%s'"), "-fallbackfee", args.GetArg("-fallbackfee", ""));
          #  #  #  #  #  
                      # ]
    3113                 :           0 :             return nullptr;
    3114   [ #  #  #  # ]:           0 :         } else if (fallback_fee.value() > HIGH_TX_FEE_PER_KB) {
    3115   [ #  #  #  #  :           0 :             warnings.push_back(AmountHighWarn("-fallbackfee") + Untranslated(" ") +
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    3116         [ #  # ]:           0 :                                _("This is the transaction fee you may pay when fee estimates are not available."));
    3117                 :           0 :         }
    3118   [ #  #  #  # ]:           0 :         walletInstance->m_fallback_fee = CFeeRate{fallback_fee.value()};
    3119         [ #  # ]:           0 :     }
    3120                 :             : 
    3121                 :             :     // Disable fallback fee in case value was set to 0, enable if non-null value
    3122         [ #  # ]:           0 :     walletInstance->m_allow_fallback_fee = walletInstance->m_fallback_fee.GetFeePerK() != 0;
    3123                 :             : 
    3124   [ #  #  #  #  :           0 :     if (args.IsArgSet("-discardfee")) {
                   #  # ]
    3125   [ #  #  #  #  :           0 :         std::optional<CAmount> discard_fee = ParseMoney(args.GetArg("-discardfee", ""));
             #  #  #  # ]
    3126         [ #  # ]:           0 :         if (!discard_fee) {
    3127   [ #  #  #  #  :           0 :             error = strprintf(_("Invalid amount for %s=<amount>: '%s'"), "-discardfee", args.GetArg("-discardfee", ""));
          #  #  #  #  #  
                      # ]
    3128                 :           0 :             return nullptr;
    3129   [ #  #  #  # ]:           0 :         } else if (discard_fee.value() > HIGH_TX_FEE_PER_KB) {
    3130   [ #  #  #  #  :           0 :             warnings.push_back(AmountHighWarn("-discardfee") + Untranslated(" ") +
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    3131         [ #  # ]:           0 :                                _("This is the transaction fee you may discard if change is smaller than dust at this level"));
    3132                 :           0 :         }
    3133   [ #  #  #  # ]:           0 :         walletInstance->m_discard_rate = CFeeRate{discard_fee.value()};
    3134         [ #  # ]:           0 :     }
    3135                 :             : 
    3136   [ #  #  #  #  :           0 :     if (args.IsArgSet("-paytxfee")) {
                   #  # ]
    3137   [ #  #  #  #  :           0 :         std::optional<CAmount> pay_tx_fee = ParseMoney(args.GetArg("-paytxfee", ""));
             #  #  #  # ]
    3138         [ #  # ]:           0 :         if (!pay_tx_fee) {
    3139   [ #  #  #  #  :           0 :             error = AmountErrMsg("paytxfee", args.GetArg("-paytxfee", ""));
          #  #  #  #  #  
                      # ]
    3140                 :           0 :             return nullptr;
    3141   [ #  #  #  # ]:           0 :         } else if (pay_tx_fee.value() > HIGH_TX_FEE_PER_KB) {
    3142   [ #  #  #  #  :           0 :             warnings.push_back(AmountHighWarn("-paytxfee") + Untranslated(" ") +
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    3143         [ #  # ]:           0 :                                _("This is the transaction fee you will pay if you send a transaction."));
    3144                 :           0 :         }
    3145                 :             : 
    3146   [ #  #  #  # ]:           0 :         walletInstance->m_pay_tx_fee = CFeeRate{pay_tx_fee.value(), 1000};
    3147                 :             : 
    3148   [ #  #  #  #  :           0 :         if (chain && walletInstance->m_pay_tx_fee < chain->relayMinFee()) {
             #  #  #  # ]
    3149   [ #  #  #  # ]:           0 :             error = strprintf(_("Invalid amount for %s=<amount>: '%s' (must be at least %s)"),
    3150   [ #  #  #  #  :           0 :                 "-paytxfee", args.GetArg("-paytxfee", ""), chain->relayMinFee().ToString());
          #  #  #  #  #  
                      # ]
    3151                 :           0 :             return nullptr;
    3152                 :             :         }
    3153         [ #  # ]:           0 :     }
    3154                 :             : 
    3155   [ #  #  #  #  :           0 :     if (args.IsArgSet("-maxtxfee")) {
                   #  # ]
    3156   [ #  #  #  #  :           0 :         std::optional<CAmount> max_fee = ParseMoney(args.GetArg("-maxtxfee", ""));
             #  #  #  # ]
    3157         [ #  # ]:           0 :         if (!max_fee) {
    3158   [ #  #  #  #  :           0 :             error = AmountErrMsg("maxtxfee", args.GetArg("-maxtxfee", ""));
          #  #  #  #  #  
                      # ]
    3159                 :           0 :             return nullptr;
    3160   [ #  #  #  # ]:           0 :         } else if (max_fee.value() > HIGH_MAX_TX_FEE) {
    3161   [ #  #  #  #  :           0 :             warnings.push_back(strprintf(_("%s is set very high! Fees this large could be paid on a single transaction."), "-maxtxfee"));
                   #  # ]
    3162                 :           0 :         }
    3163                 :             : 
    3164   [ #  #  #  #  :           0 :         if (chain && CFeeRate{max_fee.value(), 1000} < chain->relayMinFee()) {
          #  #  #  #  #  
                #  #  # ]
    3165   [ #  #  #  # ]:           0 :             error = strprintf(_("Invalid amount for %s=<amount>: '%s' (must be at least the minrelay fee of %s to prevent stuck transactions)"),
    3166   [ #  #  #  #  :           0 :                 "-maxtxfee", args.GetArg("-maxtxfee", ""), chain->relayMinFee().ToString());
          #  #  #  #  #  
                      # ]
    3167                 :           0 :             return nullptr;
    3168                 :             :         }
    3169                 :             : 
    3170         [ #  # ]:           0 :         walletInstance->m_default_max_tx_fee = max_fee.value();
    3171         [ #  # ]:           0 :     }
    3172                 :             : 
    3173   [ #  #  #  #  :           0 :     if (args.IsArgSet("-consolidatefeerate")) {
                   #  # ]
    3174   [ #  #  #  #  :           0 :         if (std::optional<CAmount> consolidate_feerate = ParseMoney(args.GetArg("-consolidatefeerate", ""))) {
          #  #  #  #  #  
                #  #  # ]
    3175         [ #  # ]:           0 :             walletInstance->m_consolidate_feerate = CFeeRate(*consolidate_feerate);
    3176                 :           0 :         } else {
    3177   [ #  #  #  #  :           0 :             error = AmountErrMsg("consolidatefeerate", args.GetArg("-consolidatefeerate", ""));
          #  #  #  #  #  
                      # ]
    3178                 :           0 :             return nullptr;
    3179                 :             :         }
    3180                 :           0 :     }
    3181                 :             : 
    3182   [ #  #  #  #  :           0 :     if (chain && chain->relayMinFee().GetFeePerK() > HIGH_TX_FEE_PER_KB) {
             #  #  #  # ]
    3183   [ #  #  #  #  :           0 :         warnings.push_back(AmountHighWarn("-minrelaytxfee") + Untranslated(" ") +
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    3184         [ #  # ]:           0 :                            _("The wallet will avoid paying less than the minimum relay fee."));
    3185                 :           0 :     }
    3186                 :             : 
    3187   [ #  #  #  # ]:           0 :     walletInstance->m_confirm_target = args.GetIntArg("-txconfirmtarget", DEFAULT_TX_CONFIRM_TARGET);
    3188   [ #  #  #  # ]:           0 :     walletInstance->m_spend_zero_conf_change = args.GetBoolArg("-spendzeroconfchange", DEFAULT_SPEND_ZEROCONF_CHANGE);
    3189   [ #  #  #  # ]:           0 :     walletInstance->m_signal_rbf = args.GetBoolArg("-walletrbf", DEFAULT_WALLET_RBF);
    3190                 :             : 
    3191   [ #  #  #  #  :           0 :     walletInstance->WalletLogPrintf("Wallet completed loading in %15dms\n", Ticks<std::chrono::milliseconds>(SteadyClock::now() - start));
                   #  # ]
    3192                 :             : 
    3193                 :             :     // Try to top up keypool. No-op if the wallet is locked.
    3194         [ #  # ]:           0 :     walletInstance->TopUpKeyPool();
    3195                 :             : 
    3196                 :             :     // Cache the first key time
    3197                 :           0 :     std::optional<int64_t> time_first_key;
    3198   [ #  #  #  # ]:           0 :     for (auto spk_man : walletInstance->GetAllScriptPubKeyMans()) {
    3199         [ #  # ]:           0 :         int64_t time = spk_man->GetTimeFirstKey();
    3200   [ #  #  #  # ]:           0 :         if (!time_first_key || time < *time_first_key) time_first_key = time;
    3201                 :           0 :     }
    3202         [ #  # ]:           0 :     if (time_first_key) walletInstance->MaybeUpdateBirthTime(*time_first_key);
    3203                 :             : 
    3204   [ #  #  #  #  :           0 :     if (chain && !AttachChain(walletInstance, *chain, rescan_required, error, warnings)) {
                   #  # ]
    3205                 :           0 :         walletInstance->m_chain_notifications_handler.reset(); // Reset this pointer so that the wallet will actually be unloaded
    3206                 :           0 :         return nullptr;
    3207                 :             :     }
    3208                 :             : 
    3209                 :             :     {
    3210   [ #  #  #  # ]:           0 :         LOCK(walletInstance->cs_wallet);
    3211   [ #  #  #  #  :           0 :         walletInstance->SetBroadcastTransactions(args.GetBoolArg("-walletbroadcast", DEFAULT_WALLETBROADCAST));
                   #  # ]
    3212   [ #  #  #  # ]:           0 :         walletInstance->WalletLogPrintf("setKeyPool.size() = %u\n",      walletInstance->GetKeyPoolSize());
    3213         [ #  # ]:           0 :         walletInstance->WalletLogPrintf("mapWallet.size() = %u\n",       walletInstance->mapWallet.size());
    3214         [ #  # ]:           0 :         walletInstance->WalletLogPrintf("m_address_book.size() = %u\n",  walletInstance->m_address_book.size());
    3215                 :           0 :     }
    3216                 :             : 
    3217                 :           0 :     return walletInstance;
    3218                 :           0 : }
    3219                 :             : 
    3220                 :           0 : bool CWallet::AttachChain(const std::shared_ptr<CWallet>& walletInstance, interfaces::Chain& chain, const bool rescan_required, bilingual_str& error, std::vector<bilingual_str>& warnings)
    3221                 :             : {
    3222                 :           0 :     LOCK(walletInstance->cs_wallet);
    3223                 :             :     // allow setting the chain if it hasn't been set already but prevent changing it
    3224   [ #  #  #  # ]:           0 :     assert(!walletInstance->m_chain || walletInstance->m_chain == &chain);
    3225                 :           0 :     walletInstance->m_chain = &chain;
    3226                 :             : 
    3227                 :             :     // Unless allowed, ensure wallet files are not reused across chains:
    3228   [ #  #  #  #  :           0 :     if (!gArgs.GetBoolArg("-walletcrosschain", DEFAULT_WALLETCROSSCHAIN)) {
                   #  # ]
    3229   [ #  #  #  # ]:           0 :         WalletBatch batch(walletInstance->GetDatabase());
    3230         [ #  # ]:           0 :         CBlockLocator locator;
    3231   [ #  #  #  #  :           0 :         if (batch.ReadBestBlock(locator) && locator.vHave.size() > 0 && chain.getHeight()) {
          #  #  #  #  #  
                      # ]
    3232                 :             :             // Wallet is assumed to be from another chain, if genesis block in the active
    3233                 :             :             // chain differs from the genesis block known to the wallet.
    3234   [ #  #  #  #  :           0 :             if (chain.getBlockHash(0) != locator.vHave.back()) {
                   #  # ]
    3235   [ #  #  #  # ]:           0 :                 error = Untranslated("Wallet files should not be reused across chains. Restart bitcoind with -walletcrosschain to override.");
    3236                 :           0 :                 return false;
    3237                 :             :             }
    3238                 :           0 :         }
    3239         [ #  # ]:           0 :     }
    3240                 :             : 
    3241                 :             :     // Register wallet with validationinterface. It's done before rescan to avoid
    3242                 :             :     // missing block connections between end of rescan and validation subscribing.
    3243                 :             :     // Because of wallet lock being hold, block connection notifications are going to
    3244                 :             :     // be pending on the validation-side until lock release. It's likely to have
    3245                 :             :     // block processing duplicata (if rescan block range overlaps with notification one)
    3246                 :             :     // but we guarantee at least than wallet state is correct after notifications delivery.
    3247                 :             :     // However, chainStateFlushed notifications are ignored until the rescan is finished
    3248                 :             :     // so that in case of a shutdown event, the rescan will be repeated at the next start.
    3249                 :             :     // This is temporary until rescan and notifications delivery are unified under same
    3250                 :             :     // interface.
    3251                 :           0 :     walletInstance->m_attaching_chain = true; //ignores chainStateFlushed notifications
    3252   [ #  #  #  # ]:           0 :     walletInstance->m_chain_notifications_handler = walletInstance->chain().handleNotifications(walletInstance);
    3253                 :             : 
    3254                 :             :     // If rescan_required = true, rescan_height remains equal to 0
    3255                 :           0 :     int rescan_height = 0;
    3256         [ #  # ]:           0 :     if (!rescan_required)
    3257                 :             :     {
    3258   [ #  #  #  # ]:           0 :         WalletBatch batch(walletInstance->GetDatabase());
    3259         [ #  # ]:           0 :         CBlockLocator locator;
    3260   [ #  #  #  # ]:           0 :         if (batch.ReadBestBlock(locator)) {
    3261   [ #  #  #  # ]:           0 :             if (const std::optional<int> fork_height = chain.findLocatorFork(locator)) {
    3262                 :           0 :                 rescan_height = *fork_height;
    3263                 :           0 :             }
    3264                 :           0 :         }
    3265                 :           0 :     }
    3266                 :             : 
    3267         [ #  # ]:           0 :     const std::optional<int> tip_height = chain.getHeight();
    3268         [ #  # ]:           0 :     if (tip_height) {
    3269         [ #  # ]:           0 :         walletInstance->m_last_block_processed = chain.getBlockHash(*tip_height);
    3270                 :           0 :         walletInstance->m_last_block_processed_height = *tip_height;
    3271                 :           0 :     } else {
    3272         [ #  # ]:           0 :         walletInstance->m_last_block_processed.SetNull();
    3273                 :           0 :         walletInstance->m_last_block_processed_height = -1;
    3274                 :             :     }
    3275                 :             : 
    3276   [ #  #  #  # ]:           0 :     if (tip_height && *tip_height != rescan_height)
    3277                 :             :     {
    3278                 :             :         // No need to read and scan block if block was created before
    3279                 :             :         // our wallet birthday (as adjusted for block time variability)
    3280                 :           0 :         std::optional<int64_t> time_first_key = walletInstance->m_birth_time.load();
    3281         [ #  # ]:           0 :         if (time_first_key) {
    3282         [ #  # ]:           0 :             FoundBlock found = FoundBlock().height(rescan_height);
    3283         [ #  # ]:           0 :             chain.findFirstBlockWithTimeAndHeight(*time_first_key - TIMESTAMP_WINDOW, rescan_height, found);
    3284         [ #  # ]:           0 :             if (!found.found) {
    3285                 :             :                 // We were unable to find a block that had a time more recent than our earliest timestamp
    3286                 :             :                 // or a height higher than the wallet was synced to, indicating that the wallet is newer than the
    3287                 :             :                 // current chain tip. Skip rescanning in this case.
    3288                 :           0 :                 rescan_height = *tip_height;
    3289                 :           0 :             }
    3290                 :           0 :         }
    3291                 :             : 
    3292                 :             :         // Technically we could execute the code below in any case, but performing the
    3293                 :             :         // `while` loop below can make startup very slow, so only check blocks on disk
    3294                 :             :         // if necessary.
    3295   [ #  #  #  #  :           0 :         if (chain.havePruned() || chain.hasAssumedValidChain()) {
             #  #  #  # ]
    3296                 :           0 :             int block_height = *tip_height;
    3297   [ #  #  #  #  :           0 :             while (block_height > 0 && chain.haveBlockOnDisk(block_height - 1) && rescan_height != block_height) {
             #  #  #  # ]
    3298                 :           0 :                 --block_height;
    3299                 :             :             }
    3300                 :             : 
    3301         [ #  # ]:           0 :             if (rescan_height != block_height) {
    3302                 :             :                 // We can't rescan beyond blocks we don't have data for, stop and throw an error.
    3303                 :             :                 // This might happen if a user uses an old wallet within a pruned node
    3304                 :             :                 // or if they ran -disablewallet for a longer time, then decided to re-enable
    3305                 :             :                 // Exit early and print an error.
    3306                 :             :                 // It also may happen if an assumed-valid chain is in use and therefore not
    3307                 :             :                 // all block data is available.
    3308                 :             :                 // If a block is pruned after this check, we will load the wallet,
    3309                 :             :                 // but fail the rescan with a generic error.
    3310                 :             : 
    3311   [ #  #  #  #  :           0 :                 error = chain.havePruned() ?
          #  #  #  #  #  
                #  #  # ]
    3312         [ #  # ]:           0 :                      _("Prune: last wallet synchronisation goes beyond pruned data. You need to -reindex (download the whole blockchain again in case of pruned node)") :
    3313   [ #  #  #  # ]:           0 :                      strprintf(_(
    3314                 :             :                         "Error loading wallet. Wallet requires blocks to be downloaded, "
    3315                 :             :                         "and software does not currently support loading wallets while "
    3316                 :             :                         "blocks are being downloaded out of order when using assumeutxo "
    3317                 :             :                         "snapshots. Wallet should be able to load successfully after "
    3318                 :             :                         "node sync reaches height %s"), block_height);
    3319                 :           0 :                 return false;
    3320                 :             :             }
    3321         [ #  # ]:           0 :         }
    3322                 :             : 
    3323   [ #  #  #  # ]:           0 :         chain.initMessage(_("Rescanning…").translated);
    3324         [ #  # ]:           0 :         walletInstance->WalletLogPrintf("Rescanning last %i blocks (from block %i)...\n", *tip_height - rescan_height, rescan_height);
    3325                 :             : 
    3326                 :             :         {
    3327         [ #  # ]:           0 :             WalletRescanReserver reserver(*walletInstance);
    3328   [ #  #  #  #  :           0 :             if (!reserver.reserve() || (ScanResult::SUCCESS != walletInstance->ScanForWalletTransactions(chain.getBlockHash(rescan_height), rescan_height, /*max_height=*/{}, reserver, /*fUpdate=*/true, /*save_progress=*/true).status)) {
          #  #  #  #  #  
                      # ]
    3329         [ #  # ]:           0 :                 error = _("Failed to rescan the wallet during initialization");
    3330                 :           0 :                 return false;
    3331                 :             :             }
    3332         [ #  # ]:           0 :         }
    3333                 :           0 :         walletInstance->m_attaching_chain = false;
    3334   [ #  #  #  # ]:           0 :         walletInstance->chainStateFlushed(ChainstateRole::NORMAL, chain.getTipLocator());
    3335   [ #  #  #  # ]:           0 :         walletInstance->GetDatabase().IncrementUpdateCounter();
    3336         [ #  # ]:           0 :     }
    3337                 :           0 :     walletInstance->m_attaching_chain = false;
    3338                 :             : 
    3339                 :           0 :     return true;
    3340                 :           0 : }
    3341                 :             : 
    3342                 :           0 : const CAddressBookData* CWallet::FindAddressBookEntry(const CTxDestination& dest, bool allow_change) const
    3343                 :             : {
    3344                 :           0 :     const auto& address_book_it = m_address_book.find(dest);
    3345         [ #  # ]:           0 :     if (address_book_it == m_address_book.end()) return nullptr;
    3346   [ #  #  #  # ]:           0 :     if ((!allow_change) && address_book_it->second.IsChange()) {
    3347                 :           0 :         return nullptr;
    3348                 :             :     }
    3349                 :           0 :     return &address_book_it->second;
    3350                 :           0 : }
    3351                 :             : 
    3352                 :           0 : bool CWallet::UpgradeWallet(int version, bilingual_str& error)
    3353                 :             : {
    3354                 :           0 :     int prev_version = GetVersion();
    3355         [ #  # ]:           0 :     if (version == 0) {
    3356                 :           0 :         WalletLogPrintf("Performing wallet upgrade to %i\n", FEATURE_LATEST);
    3357                 :           0 :         version = FEATURE_LATEST;
    3358                 :           0 :     } else {
    3359                 :           0 :         WalletLogPrintf("Allowing wallet upgrade up to %i\n", version);
    3360                 :             :     }
    3361         [ #  # ]:           0 :     if (version < prev_version) {
    3362         [ #  # ]:           0 :         error = strprintf(_("Cannot downgrade wallet from version %i to version %i. Wallet version unchanged."), prev_version, version);
    3363                 :           0 :         return false;
    3364                 :             :     }
    3365                 :             : 
    3366                 :           0 :     LOCK(cs_wallet);
    3367                 :             : 
    3368                 :             :     // Do not upgrade versions to any version between HD_SPLIT and FEATURE_PRE_SPLIT_KEYPOOL unless already supporting HD_SPLIT
    3369   [ #  #  #  #  :           0 :     if (!CanSupportFeature(FEATURE_HD_SPLIT) && version >= FEATURE_HD_SPLIT && version < FEATURE_PRE_SPLIT_KEYPOOL) {
             #  #  #  # ]
    3370   [ #  #  #  # ]:           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);
    3371                 :           0 :         return false;
    3372                 :             :     }
    3373                 :             : 
    3374                 :             :     // Permanently upgrade to the version
    3375   [ #  #  #  # ]:           0 :     SetMinVersion(GetClosestWalletFeature(version));
    3376                 :             : 
    3377   [ #  #  #  #  :           0 :     for (auto spk_man : GetActiveScriptPubKeyMans()) {
                   #  # ]
    3378   [ #  #  #  # ]:           0 :         if (!spk_man->Upgrade(prev_version, version, error)) {
    3379                 :           0 :             return false;
    3380                 :             :         }
    3381         [ #  # ]:           0 :     }
    3382                 :           0 :     return true;
    3383                 :           0 : }
    3384                 :             : 
    3385                 :           0 : void CWallet::postInitProcess()
    3386                 :             : {
    3387                 :             :     // Add wallet transactions that aren't already in a block to mempool
    3388                 :             :     // Do this here as mempool requires genesis block to be loaded
    3389                 :           0 :     ResubmitWalletTransactions(/*relay=*/false, /*force=*/true);
    3390                 :             : 
    3391                 :             :     // Update wallet transactions with current mempool transactions.
    3392         [ #  # ]:           0 :     WITH_LOCK(cs_wallet, chain().requestMempoolTransactions(*this));
    3393                 :           0 : }
    3394                 :             : 
    3395                 :           0 : bool CWallet::BackupWallet(const std::string& strDest) const
    3396                 :             : {
    3397                 :           0 :     return GetDatabase().Backup(strDest);
    3398                 :             : }
    3399                 :             : 
    3400                 :      203863 : CKeyPool::CKeyPool()
    3401                 :             : {
    3402                 :      203863 :     nTime = GetTime();
    3403                 :      203863 :     fInternal = false;
    3404                 :      203863 :     m_pre_split = false;
    3405                 :      203863 : }
    3406                 :             : 
    3407                 :           0 : CKeyPool::CKeyPool(const CPubKey& vchPubKeyIn, bool internalIn)
    3408                 :             : {
    3409                 :           0 :     nTime = GetTime();
    3410                 :           0 :     vchPubKey = vchPubKeyIn;
    3411                 :           0 :     fInternal = internalIn;
    3412                 :           0 :     m_pre_split = false;
    3413                 :           0 : }
    3414                 :             : 
    3415                 :    12831277 : int CWallet::GetTxDepthInMainChain(const CWalletTx& wtx) const
    3416                 :             : {
    3417                 :    12831277 :     AssertLockHeld(cs_wallet);
    3418         [ +  - ]:    25662554 :     if (auto* conf = wtx.state<TxStateConfirmed>()) {
    3419         [ +  - ]:    12831277 :         assert(conf->confirmed_block_height >= 0);
    3420                 :    12831277 :         return GetLastBlockHeight() - conf->confirmed_block_height + 1;
    3421         [ #  # ]:           0 :     } else if (auto* conf = wtx.state<TxStateBlockConflicted>()) {
    3422         [ #  # ]:           0 :         assert(conf->conflicting_block_height >= 0);
    3423                 :           0 :         return -1 * (GetLastBlockHeight() - conf->conflicting_block_height + 1);
    3424                 :             :     } else {
    3425                 :           0 :         return 0;
    3426                 :             :     }
    3427                 :    12831277 : }
    3428                 :             : 
    3429                 :    26765719 : int CWallet::GetTxBlocksToMaturity(const CWalletTx& wtx) const
    3430                 :             : {
    3431                 :    26765719 :     AssertLockHeld(cs_wallet);
    3432                 :             : 
    3433         [ +  - ]:    26765719 :     if (!wtx.IsCoinBase()) {
    3434                 :    26765719 :         return 0;
    3435                 :             :     }
    3436                 :           0 :     int chain_depth = GetTxDepthInMainChain(wtx);
    3437         [ #  # ]:           0 :     assert(chain_depth >= 0); // coinbase tx should not be conflicted
    3438                 :           0 :     return std::max(0, (COINBASE_MATURITY+1) - chain_depth);
    3439                 :    26765719 : }
    3440                 :             : 
    3441                 :    26765719 : bool CWallet::IsTxImmatureCoinBase(const CWalletTx& wtx) const
    3442                 :             : {
    3443                 :    26765719 :     AssertLockHeld(cs_wallet);
    3444                 :             : 
    3445                 :             :     // note GetBlocksToMaturity is 0 for non-coinbase tx
    3446                 :    26765719 :     return GetTxBlocksToMaturity(wtx) > 0;
    3447                 :             : }
    3448                 :             : 
    3449                 :           0 : bool CWallet::IsCrypted() const
    3450                 :             : {
    3451                 :           0 :     return HasEncryptionKeys();
    3452                 :             : }
    3453                 :             : 
    3454                 :           0 : bool CWallet::IsLocked() const
    3455                 :             : {
    3456         [ #  # ]:           0 :     if (!IsCrypted()) {
    3457                 :           0 :         return false;
    3458                 :             :     }
    3459                 :           0 :     LOCK(cs_wallet);
    3460                 :           0 :     return vMasterKey.empty();
    3461                 :           0 : }
    3462                 :             : 
    3463                 :           0 : bool CWallet::Lock()
    3464                 :             : {
    3465         [ #  # ]:           0 :     if (!IsCrypted())
    3466                 :           0 :         return false;
    3467                 :             : 
    3468                 :             :     {
    3469   [ #  #  #  # ]:           0 :         LOCK2(m_relock_mutex, cs_wallet);
    3470         [ #  # ]:           0 :         if (!vMasterKey.empty()) {
    3471         [ #  # ]:           0 :             memory_cleanse(vMasterKey.data(), vMasterKey.size() * sizeof(decltype(vMasterKey)::value_type));
    3472                 :           0 :             vMasterKey.clear();
    3473                 :           0 :         }
    3474                 :           0 :     }
    3475                 :             : 
    3476                 :           0 :     NotifyStatusChanged(this);
    3477                 :           0 :     return true;
    3478                 :           0 : }
    3479                 :             : 
    3480                 :           0 : bool CWallet::Unlock(const CKeyingMaterial& vMasterKeyIn)
    3481                 :             : {
    3482                 :             :     {
    3483                 :           0 :         LOCK(cs_wallet);
    3484   [ #  #  #  # ]:           0 :         for (const auto& spk_man_pair : m_spk_managers) {
    3485   [ #  #  #  # ]:           0 :             if (!spk_man_pair.second->CheckDecryptionKey(vMasterKeyIn)) {
    3486                 :           0 :                 return false;
    3487                 :             :             }
    3488         [ #  # ]:           0 :         }
    3489         [ #  # ]:           0 :         vMasterKey = vMasterKeyIn;
    3490      [ #  #  # ]:           0 :     }
    3491                 :           0 :     NotifyStatusChanged(this);
    3492                 :           0 :     return true;
    3493                 :           0 : }
    3494                 :             : 
    3495                 :           0 : std::set<ScriptPubKeyMan*> CWallet::GetActiveScriptPubKeyMans() const
    3496                 :             : {
    3497                 :           0 :     std::set<ScriptPubKeyMan*> spk_mans;
    3498         [ #  # ]:           0 :     for (bool internal : {false, true}) {
    3499         [ #  # ]:           0 :         for (OutputType t : OUTPUT_TYPES) {
    3500         [ #  # ]:           0 :             auto spk_man = GetScriptPubKeyMan(t, internal);
    3501         [ #  # ]:           0 :             if (spk_man) {
    3502         [ #  # ]:           0 :                 spk_mans.insert(spk_man);
    3503                 :           0 :             }
    3504                 :           0 :         }
    3505                 :           0 :     }
    3506                 :           0 :     return spk_mans;
    3507         [ #  # ]:           0 : }
    3508                 :             : 
    3509                 :           0 : bool CWallet::IsActiveScriptPubKeyMan(const ScriptPubKeyMan& spkm) const
    3510                 :             : {
    3511   [ #  #  #  # ]:           0 :     for (const auto& [_, ext_spkm] : m_external_spk_managers) {
    3512         [ #  # ]:           0 :         if (ext_spkm == &spkm) return true;
    3513         [ #  # ]:           0 :     }
    3514   [ #  #  #  # ]:           0 :     for (const auto& [_, int_spkm] : m_internal_spk_managers) {
    3515         [ #  # ]:           0 :         if (int_spkm == &spkm) return true;
    3516         [ #  # ]:           0 :     }
    3517                 :           0 :     return false;
    3518                 :           0 : }
    3519                 :             : 
    3520                 :           0 : std::set<ScriptPubKeyMan*> CWallet::GetAllScriptPubKeyMans() const
    3521                 :             : {
    3522                 :           0 :     std::set<ScriptPubKeyMan*> spk_mans;
    3523         [ #  # ]:           0 :     for (const auto& spk_man_pair : m_spk_managers) {
    3524         [ #  # ]:           0 :         spk_mans.insert(spk_man_pair.second.get());
    3525                 :           0 :     }
    3526                 :           0 :     return spk_mans;
    3527         [ #  # ]:           0 : }
    3528                 :             : 
    3529                 :      817967 : ScriptPubKeyMan* CWallet::GetScriptPubKeyMan(const OutputType& type, bool internal) const
    3530                 :             : {
    3531         [ +  + ]:      817967 :     const std::map<OutputType, ScriptPubKeyMan*>& spk_managers = internal ? m_internal_spk_managers : m_external_spk_managers;
    3532                 :      817967 :     std::map<OutputType, ScriptPubKeyMan*>::const_iterator it = spk_managers.find(type);
    3533         [ -  + ]:      817967 :     if (it == spk_managers.end()) {
    3534                 :           0 :         return nullptr;
    3535                 :             :     }
    3536                 :      817967 :     return it->second;
    3537                 :      817967 : }
    3538                 :             : 
    3539                 :      841631 : std::set<ScriptPubKeyMan*> CWallet::GetScriptPubKeyMans(const CScript& script) const
    3540                 :             : {
    3541                 :      841631 :     std::set<ScriptPubKeyMan*> spk_mans;
    3542                 :             : 
    3543                 :             :     // Search the cache for relevant SPKMs instead of iterating m_spk_managers
    3544         [ +  - ]:      841631 :     const auto& it = m_cached_spks.find(script);
    3545         [ +  + ]:      841631 :     if (it != m_cached_spks.end()) {
    3546         [ +  - ]:      653813 :         spk_mans.insert(it->second.begin(), it->second.end());
    3547                 :      653813 :     }
    3548         [ +  - ]:      841631 :     SignatureData sigdata;
    3549   [ +  -  +  - ]:     1495444 :     Assume(std::all_of(spk_mans.begin(), spk_mans.end(), [&script, &sigdata](ScriptPubKeyMan* spkm) { return spkm->CanProvide(script, sigdata); }));
    3550                 :             : 
    3551                 :             :     // Legacy wallet
    3552   [ +  -  -  +  :      841631 :     if (IsLegacy() && GetLegacyScriptPubKeyMan()->CanProvide(script, sigdata)) spk_mans.insert(GetLegacyScriptPubKeyMan());
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    3553                 :             : 
    3554                 :      841631 :     return spk_mans;
    3555         [ +  - ]:      841631 : }
    3556                 :             : 
    3557                 :           0 : ScriptPubKeyMan* CWallet::GetScriptPubKeyMan(const uint256& id) const
    3558                 :             : {
    3559         [ #  # ]:           0 :     if (m_spk_managers.count(id) > 0) {
    3560                 :           0 :         return m_spk_managers.at(id).get();
    3561                 :             :     }
    3562                 :           0 :     return nullptr;
    3563                 :           0 : }
    3564                 :             : 
    3565                 :     4168320 : std::unique_ptr<SigningProvider> CWallet::GetSolvingProvider(const CScript& script) const
    3566                 :             : {
    3567                 :     4168320 :     SignatureData sigdata;
    3568         [ +  - ]:     4168320 :     return GetSolvingProvider(script, sigdata);
    3569                 :     4168320 : }
    3570                 :             : 
    3571                 :     4168320 : std::unique_ptr<SigningProvider> CWallet::GetSolvingProvider(const CScript& script, SignatureData& sigdata) const
    3572                 :             : {
    3573                 :             :     // Search the cache for relevant SPKMs instead of iterating m_spk_managers
    3574                 :     4168320 :     const auto& it = m_cached_spks.find(script);
    3575         [ +  - ]:     4168320 :     if (it != m_cached_spks.end()) {
    3576                 :             :         // All spkms for a given script must already be able to make a SigningProvider for the script, so just return the first one.
    3577                 :     4168320 :         Assume(it->second.at(0)->CanProvide(script, sigdata));
    3578                 :     4168320 :         return it->second.at(0)->GetSolvingProvider(script);
    3579                 :             :     }
    3580                 :             : 
    3581                 :             :     // Legacy wallet
    3582   [ #  #  #  # ]:           0 :     if (IsLegacy() && GetLegacyScriptPubKeyMan()->CanProvide(script, sigdata)) return GetLegacyScriptPubKeyMan()->GetSolvingProvider(script);
    3583                 :             : 
    3584                 :           0 :     return nullptr;
    3585                 :     4168320 : }
    3586                 :             : 
    3587                 :           0 : std::vector<WalletDescriptor> CWallet::GetWalletDescriptors(const CScript& script) const
    3588                 :             : {
    3589                 :           0 :     std::vector<WalletDescriptor> descs;
    3590   [ #  #  #  # ]:           0 :     for (const auto spk_man: GetScriptPubKeyMans(script)) {
    3591   [ #  #  #  # ]:           0 :         if (const auto desc_spk_man = dynamic_cast<DescriptorScriptPubKeyMan*>(spk_man)) {
    3592   [ #  #  #  # ]:           0 :             LOCK(desc_spk_man->cs_desc_man);
    3593   [ #  #  #  # ]:           0 :             descs.push_back(desc_spk_man->GetWalletDescriptor());
    3594                 :           0 :         }
    3595                 :           0 :     }
    3596                 :           0 :     return descs;
    3597         [ #  # ]:           0 : }
    3598                 :             : 
    3599                 :           0 : LegacyScriptPubKeyMan* CWallet::GetLegacyScriptPubKeyMan() const
    3600                 :             : {
    3601         [ #  # ]:           0 :     if (IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
    3602                 :           0 :         return nullptr;
    3603                 :             :     }
    3604                 :             :     // Legacy wallets only have one ScriptPubKeyMan which is a LegacyScriptPubKeyMan.
    3605                 :             :     // Everything in m_internal_spk_managers and m_external_spk_managers point to the same legacyScriptPubKeyMan.
    3606                 :           0 :     auto it = m_internal_spk_managers.find(OutputType::LEGACY);
    3607         [ #  # ]:           0 :     if (it == m_internal_spk_managers.end()) return nullptr;
    3608         [ #  # ]:           0 :     return dynamic_cast<LegacyScriptPubKeyMan*>(it->second);
    3609                 :           0 : }
    3610                 :             : 
    3611                 :           0 : LegacyScriptPubKeyMan* CWallet::GetOrCreateLegacyScriptPubKeyMan()
    3612                 :             : {
    3613                 :           0 :     SetupLegacyScriptPubKeyMan();
    3614                 :           0 :     return GetLegacyScriptPubKeyMan();
    3615                 :             : }
    3616                 :             : 
    3617                 :       29021 : void CWallet::AddScriptPubKeyMan(const uint256& id, std::unique_ptr<ScriptPubKeyMan> spkm_man)
    3618                 :             : {
    3619                 :             :     // Add spkm_man to m_spk_managers before calling any method
    3620                 :             :     // that might access it.
    3621                 :       29021 :     const auto& spkm = m_spk_managers[id] = std::move(spkm_man);
    3622                 :             : 
    3623                 :             :     // Update birth time if needed
    3624                 :       29021 :     MaybeUpdateBirthTime(spkm->GetTimeFirstKey());
    3625                 :       29021 : }
    3626                 :             : 
    3627                 :           0 : void CWallet::SetupLegacyScriptPubKeyMan()
    3628                 :             : {
    3629   [ #  #  #  #  :           0 :     if (!m_internal_spk_managers.empty() || !m_external_spk_managers.empty() || !m_spk_managers.empty() || IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
             #  #  #  # ]
    3630                 :           0 :         return;
    3631                 :             :     }
    3632                 :             : 
    3633         [ #  # ]:           0 :     auto spk_manager = std::unique_ptr<ScriptPubKeyMan>(new LegacyScriptPubKeyMan(*this, m_keypool_size));
    3634         [ #  # ]:           0 :     for (const auto& type : LEGACY_OUTPUT_TYPES) {
    3635         [ #  # ]:           0 :         m_internal_spk_managers[type] = spk_manager.get();
    3636         [ #  # ]:           0 :         m_external_spk_managers[type] = spk_manager.get();
    3637                 :           0 :     }
    3638         [ #  # ]:           0 :     uint256 id = spk_manager->GetID();
    3639         [ #  # ]:           0 :     AddScriptPubKeyMan(id, std::move(spk_manager));
    3640                 :           0 : }
    3641                 :             : 
    3642                 :           0 : bool CWallet::WithEncryptionKey(std::function<bool (const CKeyingMaterial&)> cb) const
    3643                 :             : {
    3644                 :           0 :     LOCK(cs_wallet);
    3645         [ #  # ]:           0 :     return cb(vMasterKey);
    3646                 :           0 : }
    3647                 :             : 
    3648                 :     1070881 : bool CWallet::HasEncryptionKeys() const
    3649                 :             : {
    3650                 :     1070881 :     return !mapMasterKeys.empty();
    3651                 :             : }
    3652                 :             : 
    3653                 :           0 : void CWallet::ConnectScriptPubKeyManNotifiers()
    3654                 :             : {
    3655         [ #  # ]:           0 :     for (const auto& spk_man : GetActiveScriptPubKeyMans()) {
    3656   [ #  #  #  # ]:           0 :         spk_man->NotifyWatchonlyChanged.connect(NotifyWatchonlyChanged);
    3657   [ #  #  #  # ]:           0 :         spk_man->NotifyCanGetAddressesChanged.connect(NotifyCanGetAddressesChanged);
    3658   [ #  #  #  #  :           0 :         spk_man->NotifyFirstKeyTimeChanged.connect(std::bind(&CWallet::MaybeUpdateBirthTime, this, std::placeholders::_2));
                   #  # ]
    3659                 :           0 :     }
    3660                 :           0 : }
    3661                 :             : 
    3662                 :           0 : DescriptorScriptPubKeyMan& CWallet::LoadDescriptorScriptPubKeyMan(uint256 id, WalletDescriptor& desc)
    3663                 :             : {
    3664                 :           0 :     DescriptorScriptPubKeyMan* spk_manager;
    3665         [ #  # ]:           0 :     if (IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER)) {
    3666         [ #  # ]:           0 :         spk_manager = new ExternalSignerScriptPubKeyMan(*this, desc, m_keypool_size);
    3667                 :           0 :     } else {
    3668         [ #  # ]:           0 :         spk_manager = new DescriptorScriptPubKeyMan(*this, desc, m_keypool_size);
    3669                 :             :     }
    3670         [ #  # ]:           0 :     AddScriptPubKeyMan(id, std::unique_ptr<ScriptPubKeyMan>(spk_manager));
    3671                 :           0 :     return *spk_manager;
    3672                 :           0 : }
    3673                 :             : 
    3674                 :           0 : DescriptorScriptPubKeyMan& CWallet::SetupDescriptorScriptPubKeyMan(WalletBatch& batch, const CExtKey& master_key, const OutputType& output_type, bool internal)
    3675                 :             : {
    3676                 :           0 :     AssertLockHeld(cs_wallet);
    3677         [ #  # ]:           0 :     auto spk_manager = std::unique_ptr<DescriptorScriptPubKeyMan>(new DescriptorScriptPubKeyMan(*this, m_keypool_size));
    3678   [ #  #  #  # ]:           0 :     if (IsCrypted()) {
    3679   [ #  #  #  # ]:           0 :         if (IsLocked()) {
    3680   [ #  #  #  #  :           0 :             throw std::runtime_error(std::string(__func__) + ": Wallet is locked, cannot setup new descriptors");
          #  #  #  #  #  
                      # ]
    3681                 :             :         }
    3682   [ #  #  #  #  :           0 :         if (!spk_manager->CheckDecryptionKey(vMasterKey) && !spk_manager->Encrypt(vMasterKey, &batch)) {
             #  #  #  # ]
    3683   [ #  #  #  #  :           0 :             throw std::runtime_error(std::string(__func__) + ": Could not encrypt new descriptors");
             #  #  #  # ]
    3684                 :             :         }
    3685                 :           0 :     }
    3686         [ #  # ]:           0 :     spk_manager->SetupDescriptorGeneration(batch, master_key, output_type, internal);
    3687                 :           0 :     DescriptorScriptPubKeyMan* out = spk_manager.get();
    3688         [ #  # ]:           0 :     uint256 id = spk_manager->GetID();
    3689         [ #  # ]:           0 :     AddScriptPubKeyMan(id, std::move(spk_manager));
    3690         [ #  # ]:           0 :     AddActiveScriptPubKeyManWithDb(batch, id, output_type, internal);
    3691                 :           0 :     return *out;
    3692                 :           0 : }
    3693                 :             : 
    3694                 :           0 : void CWallet::SetupDescriptorScriptPubKeyMans(const CExtKey& master_key)
    3695                 :             : {
    3696                 :           0 :     AssertLockHeld(cs_wallet);
    3697                 :             : 
    3698                 :             :     // Create single batch txn
    3699                 :           0 :     WalletBatch batch(GetDatabase());
    3700   [ #  #  #  #  :           0 :     if (!batch.TxnBegin()) throw std::runtime_error("Error: cannot create db transaction for descriptors setup");
             #  #  #  # ]
    3701                 :             : 
    3702         [ #  # ]:           0 :     for (bool internal : {false, true}) {
    3703         [ #  # ]:           0 :         for (OutputType t : OUTPUT_TYPES) {
    3704         [ #  # ]:           0 :             SetupDescriptorScriptPubKeyMan(batch, master_key, t, internal);
    3705                 :           0 :         }
    3706                 :           0 :     }
    3707                 :             : 
    3708                 :             :     // Ensure information is committed to disk
    3709   [ #  #  #  #  :           0 :     if (!batch.TxnCommit()) throw std::runtime_error("Error: cannot commit db transaction for descriptors setup");
                   #  # ]
    3710                 :           0 : }
    3711                 :             : 
    3712                 :           0 : void CWallet::SetupDescriptorScriptPubKeyMans()
    3713                 :             : {
    3714                 :           0 :     AssertLockHeld(cs_wallet);
    3715                 :             : 
    3716         [ #  # ]:           0 :     if (!IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER)) {
    3717                 :             :         // Make a seed
    3718                 :           0 :         CKey seed_key = GenerateRandomKey();
    3719         [ #  # ]:           0 :         CPubKey seed = seed_key.GetPubKey();
    3720   [ #  #  #  # ]:           0 :         assert(seed_key.VerifyPubKey(seed));
    3721                 :             : 
    3722                 :             :         // Get the extended key
    3723         [ #  # ]:           0 :         CExtKey master_key;
    3724   [ #  #  #  # ]:           0 :         master_key.SetSeed(seed_key);
    3725                 :             : 
    3726         [ #  # ]:           0 :         SetupDescriptorScriptPubKeyMans(master_key);
    3727                 :           0 :     } else {
    3728                 :           0 :         ExternalSigner signer = ExternalSignerScriptPubKeyMan::GetExternalSigner();
    3729                 :             : 
    3730                 :             :         // TODO: add account parameter
    3731                 :           0 :         int account = 0;
    3732         [ #  # ]:           0 :         UniValue signer_res = signer.GetDescriptors(account);
    3733                 :             : 
    3734   [ #  #  #  #  :           0 :         if (!signer_res.isObject()) throw std::runtime_error(std::string(__func__) + ": Unexpected result");
          #  #  #  #  #  
                #  #  # ]
    3735                 :             : 
    3736   [ #  #  #  # ]:           0 :         WalletBatch batch(GetDatabase());
    3737   [ #  #  #  #  :           0 :         if (!batch.TxnBegin()) throw std::runtime_error("Error: cannot create db transaction for descriptors import");
                   #  # ]
    3738                 :             : 
    3739         [ #  # ]:           0 :         for (bool internal : {false, true}) {
    3740         [ #  # ]:           0 :             const UniValue& descriptor_vals = signer_res.find_value(internal ? "internal" : "receive");
    3741   [ #  #  #  #  :           0 :             if (!descriptor_vals.isArray()) throw std::runtime_error(std::string(__func__) + ": Unexpected result");
          #  #  #  #  #  
                #  #  # ]
    3742   [ #  #  #  #  :           0 :             for (const UniValue& desc_val : descriptor_vals.get_array().getValues()) {
                   #  # ]
    3743         [ #  # ]:           0 :                 const std::string& desc_str = desc_val.getValStr();
    3744                 :           0 :                 FlatSigningProvider keys;
    3745                 :           0 :                 std::string desc_error;
    3746         [ #  # ]:           0 :                 std::unique_ptr<Descriptor> desc = Parse(desc_str, keys, desc_error, false);
    3747         [ #  # ]:           0 :                 if (desc == nullptr) {
    3748   [ #  #  #  #  :           0 :                     throw std::runtime_error(std::string(__func__) + ": Invalid descriptor \"" + desc_str + "\" (" + desc_error + ")");
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    3749                 :             :                 }
    3750   [ #  #  #  # ]:           0 :                 if (!desc->GetOutputType()) {
    3751                 :           0 :                     continue;
    3752                 :             :                 }
    3753         [ #  # ]:           0 :                 OutputType t =  *desc->GetOutputType();
    3754   [ #  #  #  # ]:           0 :                 auto spk_manager = std::unique_ptr<ExternalSignerScriptPubKeyMan>(new ExternalSignerScriptPubKeyMan(*this, m_keypool_size));
    3755         [ #  # ]:           0 :                 spk_manager->SetupDescriptor(batch, std::move(desc));
    3756         [ #  # ]:           0 :                 uint256 id = spk_manager->GetID();
    3757         [ #  # ]:           0 :                 AddScriptPubKeyMan(id, std::move(spk_manager));
    3758         [ #  # ]:           0 :                 AddActiveScriptPubKeyManWithDb(batch, id, t, internal);
    3759   [ #  #  #  # ]:           0 :             }
    3760                 :           0 :         }
    3761                 :             : 
    3762                 :             :         // Ensure imported descriptors are committed to disk
    3763   [ #  #  #  #  :           0 :         if (!batch.TxnCommit()) throw std::runtime_error("Error: cannot commit db transaction for descriptors import");
                   #  # ]
    3764                 :           0 :     }
    3765                 :           0 : }
    3766                 :             : 
    3767                 :       21808 : void CWallet::AddActiveScriptPubKeyMan(uint256 id, OutputType type, bool internal)
    3768                 :             : {
    3769                 :       21808 :     WalletBatch batch(GetDatabase());
    3770         [ +  - ]:       21808 :     return AddActiveScriptPubKeyManWithDb(batch, id, type, internal);
    3771                 :       21808 : }
    3772                 :             : 
    3773                 :       21808 : void CWallet::AddActiveScriptPubKeyManWithDb(WalletBatch& batch, uint256 id, OutputType type, bool internal)
    3774                 :             : {
    3775         [ +  - ]:       21808 :     if (!batch.WriteActiveScriptPubKeyMan(static_cast<uint8_t>(type), id, internal)) {
    3776   [ #  #  #  #  :           0 :         throw std::runtime_error(std::string(__func__) + ": writing active ScriptPubKeyMan id failed");
          #  #  #  #  #  
                      # ]
    3777                 :             :     }
    3778                 :       21808 :     LoadActiveScriptPubKeyMan(id, type, internal);
    3779                 :       21808 : }
    3780                 :             : 
    3781                 :       21808 : void CWallet::LoadActiveScriptPubKeyMan(uint256 id, OutputType type, bool internal)
    3782                 :             : {
    3783                 :             :     // Activating ScriptPubKeyManager for a given output and change type is incompatible with legacy wallets.
    3784                 :             :     // Legacy wallets have only one ScriptPubKeyManager and it's active for all output and change types.
    3785                 :       21808 :     Assert(IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
    3786                 :             : 
    3787   [ +  -  +  -  :       21808 :     WalletLogPrintf("Setting spkMan to active: id = %s, type = %s, internal = %s\n", id.ToString(), FormatOutputType(type), internal ? "true" : "false");
                   +  - ]
    3788         [ +  + ]:       21808 :     auto& spk_mans = internal ? m_internal_spk_managers : m_external_spk_managers;
    3789         [ +  + ]:       21808 :     auto& spk_mans_other = internal ? m_external_spk_managers : m_internal_spk_managers;
    3790                 :       21808 :     auto spk_man = m_spk_managers.at(id).get();
    3791                 :       21808 :     spk_mans[type] = spk_man;
    3792                 :             : 
    3793                 :       21808 :     const auto it = spk_mans_other.find(type);
    3794   [ +  +  +  - ]:       21808 :     if (it != spk_mans_other.end() && it->second == spk_man) {
    3795                 :           0 :         spk_mans_other.erase(type);
    3796                 :           0 :     }
    3797                 :             : 
    3798                 :       21808 :     NotifyCanGetAddressesChanged();
    3799                 :       21808 : }
    3800                 :             : 
    3801                 :           0 : void CWallet::DeactivateScriptPubKeyMan(uint256 id, OutputType type, bool internal)
    3802                 :             : {
    3803                 :           0 :     auto spk_man = GetScriptPubKeyMan(type, internal);
    3804   [ #  #  #  # ]:           0 :     if (spk_man != nullptr && spk_man->GetID() == id) {
    3805   [ #  #  #  #  :           0 :         WalletLogPrintf("Deactivate spkMan: id = %s, type = %s, internal = %s\n", id.ToString(), FormatOutputType(type), internal ? "true" : "false");
                   #  # ]
    3806                 :           0 :         WalletBatch batch(GetDatabase());
    3807   [ #  #  #  # ]:           0 :         if (!batch.EraseActiveScriptPubKeyMan(static_cast<uint8_t>(type), internal)) {
    3808   [ #  #  #  #  :           0 :             throw std::runtime_error(std::string(__func__) + ": erasing active ScriptPubKeyMan id failed");
          #  #  #  #  #  
                      # ]
    3809                 :             :         }
    3810                 :             : 
    3811         [ #  # ]:           0 :         auto& spk_mans = internal ? m_internal_spk_managers : m_external_spk_managers;
    3812         [ #  # ]:           0 :         spk_mans.erase(type);
    3813                 :           0 :     }
    3814                 :             : 
    3815                 :           0 :     NotifyCanGetAddressesChanged();
    3816                 :           0 : }
    3817                 :             : 
    3818                 :     2994311 : bool CWallet::IsLegacy() const
    3819                 :             : {
    3820         [ +  - ]:     2994311 :     if (m_internal_spk_managers.count(OutputType::LEGACY) == 0) {
    3821                 :           0 :         return false;
    3822                 :             :     }
    3823         [ +  - ]:     2994311 :     auto spk_man = dynamic_cast<LegacyScriptPubKeyMan*>(m_internal_spk_managers.at(OutputType::LEGACY));
    3824                 :     2994311 :     return spk_man != nullptr;
    3825                 :     2994311 : }
    3826                 :             : 
    3827                 :       58118 : DescriptorScriptPubKeyMan* CWallet::GetDescriptorScriptPubKeyMan(const WalletDescriptor& desc) const
    3828                 :             : {
    3829   [ +  +  -  +  :      218063 :     for (auto& spk_man_pair : m_spk_managers) {
                      + ]
    3830                 :             :         // Try to downcast to DescriptorScriptPubKeyMan then check if the descriptors match
    3831         [ +  - ]:      159945 :         DescriptorScriptPubKeyMan* spk_manager = dynamic_cast<DescriptorScriptPubKeyMan*>(spk_man_pair.second.get());
    3832   [ +  -  +  + ]:      159945 :         if (spk_manager != nullptr && spk_manager->HasWalletDescriptor(desc)) {
    3833                 :        7289 :             return spk_manager;
    3834                 :             :         }
    3835   [ +  +  +  + ]:      159945 :     }
    3836                 :             : 
    3837                 :       50829 :     return nullptr;
    3838                 :       58118 : }
    3839                 :             : 
    3840                 :           0 : std::optional<bool> CWallet::IsInternalScriptPubKeyMan(ScriptPubKeyMan* spk_man) const
    3841                 :             : {
    3842                 :             :     // Legacy script pubkey man can't be either external or internal
    3843         [ #  # ]:           0 :     if (IsLegacy()) {
    3844                 :           0 :         return std::nullopt;
    3845                 :             :     }
    3846                 :             : 
    3847                 :             :     // only active ScriptPubKeyMan can be internal
    3848   [ #  #  #  # ]:           0 :     if (!GetActiveScriptPubKeyMans().count(spk_man)) {
    3849                 :           0 :         return std::nullopt;
    3850                 :             :     }
    3851                 :             : 
    3852         [ #  # ]:           0 :     const auto desc_spk_man = dynamic_cast<DescriptorScriptPubKeyMan*>(spk_man);
    3853         [ #  # ]:           0 :     if (!desc_spk_man) {
    3854   [ #  #  #  #  :           0 :         throw std::runtime_error(std::string(__func__) + ": unexpected ScriptPubKeyMan type.");
          #  #  #  #  #  
                      # ]
    3855                 :             :     }
    3856                 :             : 
    3857                 :           0 :     LOCK(desc_spk_man->cs_desc_man);
    3858   [ #  #  #  # ]:           0 :     const auto& type = desc_spk_man->GetWalletDescriptor().descriptor->GetOutputType();
    3859         [ #  # ]:           0 :     assert(type.has_value());
    3860                 :             : 
    3861         [ #  # ]:           0 :     return GetScriptPubKeyMan(*type, /* internal= */ true) == desc_spk_man;
    3862                 :           0 : }
    3863                 :             : 
    3864                 :       29059 : ScriptPubKeyMan* CWallet::AddWalletDescriptor(WalletDescriptor& desc, const FlatSigningProvider& signing_provider, const std::string& label, bool internal)
    3865                 :             : {
    3866                 :       29059 :     AssertLockHeld(cs_wallet);
    3867                 :             : 
    3868         [ -  + ]:       29059 :     if (!IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
    3869                 :           0 :         WalletLogPrintf("Cannot add WalletDescriptor to a non-descriptor wallet\n");
    3870                 :           0 :         return nullptr;
    3871                 :             :     }
    3872                 :             : 
    3873                 :       29059 :     auto spk_man = GetDescriptorScriptPubKeyMan(desc);
    3874         [ +  + ]:       29059 :     if (spk_man) {
    3875         [ +  - ]:          38 :         WalletLogPrintf("Update existing descriptor: %s\n", desc.descriptor->ToString());
    3876                 :          38 :         spk_man->UpdateWalletDescriptor(desc);
    3877                 :          38 :     } else {
    3878         [ +  - ]:       29021 :         auto new_spk_man = std::unique_ptr<DescriptorScriptPubKeyMan>(new DescriptorScriptPubKeyMan(*this, desc, m_keypool_size));
    3879                 :       29021 :         spk_man = new_spk_man.get();
    3880                 :             : 
    3881                 :             :         // Save the descriptor to memory
    3882         [ +  - ]:       29021 :         uint256 id = new_spk_man->GetID();
    3883         [ +  - ]:       29021 :         AddScriptPubKeyMan(id, std::move(new_spk_man));
    3884                 :       29021 :     }
    3885                 :             : 
    3886                 :             :     // Add the private keys to the descriptor
    3887         [ +  + ]:       52586 :     for (const auto& entry : signing_provider.keys) {
    3888                 :       23527 :         const CKey& key = entry.second;
    3889                 :       23527 :         spk_man->AddDescriptorKey(key, key.GetPubKey());
    3890                 :       23527 :     }
    3891                 :             : 
    3892                 :             :     // Top up key pool, the manager will generate new scriptPubKeys internally
    3893         [ +  + ]:       29059 :     if (!spk_man->TopUp()) {
    3894                 :         134 :         WalletLogPrintf("Could not top up scriptPubKeys\n");
    3895                 :         134 :         return nullptr;
    3896                 :             :     }
    3897                 :             : 
    3898                 :             :     // Apply the label if necessary
    3899                 :             :     // Note: we disable labels for ranged descriptors
    3900         [ +  + ]:       28925 :     if (!desc.descriptor->IsRange()) {
    3901                 :        6000 :         auto script_pub_keys = spk_man->GetScriptPubKeys();
    3902         [ -  + ]:        6000 :         if (script_pub_keys.empty()) {
    3903         [ #  # ]:           0 :             WalletLogPrintf("Could not generate scriptPubKeys (cache is empty)\n");
    3904                 :           0 :             return nullptr;
    3905                 :             :         }
    3906                 :             : 
    3907         [ -  + ]:        6000 :         if (!internal) {
    3908         [ +  + ]:       12409 :             for (const auto& script : script_pub_keys) {
    3909         [ +  - ]:        6409 :                 CTxDestination dest;
    3910   [ +  -  +  + ]:        6409 :                 if (ExtractDestination(script, dest)) {
    3911         [ -  + ]:        1212 :                     SetAddressBook(dest, label, AddressPurpose::RECEIVE);
    3912                 :        1212 :                 }
    3913                 :        6409 :             }
    3914                 :        6000 :         }
    3915         [ -  + ]:        6000 :     }
    3916                 :             : 
    3917                 :             :     // Save the descriptor to DB
    3918                 :       28925 :     spk_man->WriteDescriptor();
    3919                 :             : 
    3920                 :       28925 :     return spk_man;
    3921                 :       29059 : }
    3922                 :             : 
    3923                 :           0 : bool CWallet::MigrateToSQLite(bilingual_str& error)
    3924                 :             : {
    3925                 :           0 :     AssertLockHeld(cs_wallet);
    3926                 :             : 
    3927                 :           0 :     WalletLogPrintf("Migrating wallet storage database from BerkeleyDB to SQLite.\n");
    3928                 :             : 
    3929   [ #  #  #  # ]:           0 :     if (m_database->Format() == "sqlite") {
    3930                 :           0 :         error = _("Error: This wallet already uses SQLite");
    3931                 :           0 :         return false;
    3932                 :             :     }
    3933                 :             : 
    3934                 :             :     // Get all of the records for DB type migration
    3935                 :           0 :     std::unique_ptr<DatabaseBatch> batch = m_database->MakeBatch();
    3936         [ #  # ]:           0 :     std::unique_ptr<DatabaseCursor> cursor = batch->GetNewCursor();
    3937                 :           0 :     std::vector<std::pair<SerializeData, SerializeData>> records;
    3938         [ #  # ]:           0 :     if (!cursor) {
    3939         [ #  # ]:           0 :         error = _("Error: Unable to begin reading all records in the database");
    3940                 :           0 :         return false;
    3941                 :             :     }
    3942                 :           0 :     DatabaseCursor::Status status = DatabaseCursor::Status::FAIL;
    3943                 :           0 :     while (true) {
    3944         [ #  # ]:           0 :         DataStream ss_key{};
    3945         [ #  # ]:           0 :         DataStream ss_value{};
    3946         [ #  # ]:           0 :         status = cursor->Next(ss_key, ss_value);
    3947         [ #  # ]:           0 :         if (status != DatabaseCursor::Status::MORE) {
    3948                 :           0 :             break;
    3949                 :             :         }
    3950   [ #  #  #  #  :           0 :         SerializeData key(ss_key.begin(), ss_key.end());
                   #  # ]
    3951   [ #  #  #  #  :           0 :         SerializeData value(ss_value.begin(), ss_value.end());
                   #  # ]
    3952         [ #  # ]:           0 :         records.emplace_back(key, value);
    3953      [ #  #  # ]:           0 :     }
    3954                 :           0 :     cursor.reset();
    3955                 :           0 :     batch.reset();
    3956         [ #  # ]:           0 :     if (status != DatabaseCursor::Status::DONE) {
    3957         [ #  # ]:           0 :         error = _("Error: Unable to read all records in the database");
    3958                 :           0 :         return false;
    3959                 :             :     }
    3960                 :             : 
    3961                 :             :     // Close this database and delete the file
    3962   [ #  #  #  # ]:           0 :     fs::path db_path = fs::PathFromString(m_database->Filename());
    3963         [ #  # ]:           0 :     m_database->Close();
    3964         [ #  # ]:           0 :     fs::remove(db_path);
    3965                 :             : 
    3966                 :             :     // Generate the path for the location of the migrated wallet
    3967                 :             :     // Wallets that are plain files rather than wallet directories will be migrated to be wallet directories.
    3968   [ #  #  #  #  :           0 :     const fs::path wallet_path = fsbridge::AbsPathJoin(GetWalletDir(), fs::PathFromString(m_name));
                   #  # ]
    3969                 :             : 
    3970                 :             :     // Make new DB
    3971                 :           0 :     DatabaseOptions opts;
    3972                 :           0 :     opts.require_create = true;
    3973                 :           0 :     opts.require_format = DatabaseFormat::SQLITE;
    3974                 :           0 :     DatabaseStatus db_status;
    3975         [ #  # ]:           0 :     std::unique_ptr<WalletDatabase> new_db = MakeDatabase(wallet_path, opts, db_status, error);
    3976         [ #  # ]:           0 :     assert(new_db); // This is to prevent doing anything further with this wallet. The original file was deleted, but a backup exists.
    3977                 :           0 :     m_database.reset();
    3978                 :           0 :     m_database = std::move(new_db);
    3979                 :             : 
    3980                 :             :     // Write existing records into the new DB
    3981         [ #  # ]:           0 :     batch = m_database->MakeBatch();
    3982         [ #  # ]:           0 :     bool began = batch->TxnBegin();
    3983         [ #  # ]:           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.
    3984         [ #  # ]:           0 :     for (const auto& [key, value] : records) {
    3985   [ #  #  #  #  :           0 :         if (!batch->Write(Span{key}, Span{value})) {
          #  #  #  #  #  
                #  #  # ]
    3986         [ #  # ]:           0 :             batch->TxnAbort();
    3987         [ #  # ]:           0 :             m_database->Close();
    3988   [ #  #  #  #  :           0 :             fs::remove(m_database->Filename());
                   #  # ]
    3989                 :           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.
    3990                 :             :         }
    3991                 :           0 :     }
    3992         [ #  # ]:           0 :     bool committed = batch->TxnCommit();
    3993         [ #  # ]:           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.
    3994                 :           0 :     return true;
    3995                 :           0 : }
    3996                 :             : 
    3997                 :           0 : std::optional<MigrationData> CWallet::GetDescriptorsForLegacy(bilingual_str& error) const
    3998                 :             : {
    3999                 :           0 :     AssertLockHeld(cs_wallet);
    4000                 :             : 
    4001                 :           0 :     LegacyScriptPubKeyMan* legacy_spkm = GetLegacyScriptPubKeyMan();
    4002         [ #  # ]:           0 :     if (!Assume(legacy_spkm)) {
    4003                 :             :         // This shouldn't happen
    4004         [ #  # ]:           0 :         error = Untranslated(STR_INTERNAL_BUG("Error: Legacy wallet data missing"));
    4005                 :           0 :         return std::nullopt;
    4006                 :             :     }
    4007                 :             : 
    4008                 :           0 :     std::optional<MigrationData> res = legacy_spkm->MigrateToDescriptor();
    4009         [ #  # ]:           0 :     if (res == std::nullopt) {
    4010         [ #  # ]:           0 :         error = _("Error: Unable to produce descriptors for this legacy wallet. Make sure to provide the wallet's passphrase if it is encrypted.");
    4011                 :           0 :         return std::nullopt;
    4012                 :             :     }
    4013                 :           0 :     return res;
    4014                 :           0 : }
    4015                 :             : 
    4016                 :           0 : bool CWallet::ApplyMigrationData(MigrationData& data, bilingual_str& error)
    4017                 :             : {
    4018                 :           0 :     AssertLockHeld(cs_wallet);
    4019                 :             : 
    4020                 :           0 :     LegacyScriptPubKeyMan* legacy_spkm = GetLegacyScriptPubKeyMan();
    4021         [ #  # ]:           0 :     if (!Assume(legacy_spkm)) {
    4022                 :             :         // This shouldn't happen
    4023         [ #  # ]:           0 :         error = Untranslated(STR_INTERNAL_BUG("Error: Legacy wallet data missing"));
    4024                 :           0 :         return false;
    4025                 :             :     }
    4026                 :             : 
    4027                 :             :     // Get all invalid or non-watched scripts that will not be migrated
    4028                 :           0 :     std::set<CTxDestination> not_migrated_dests;
    4029   [ #  #  #  # ]:           0 :     for (const auto& script : legacy_spkm->GetNotMineScriptPubKeys()) {
    4030         [ #  # ]:           0 :         CTxDestination dest;
    4031   [ #  #  #  #  :           0 :         if (ExtractDestination(script, dest)) not_migrated_dests.emplace(dest);
                   #  # ]
    4032                 :           0 :     }
    4033                 :             : 
    4034         [ #  # ]:           0 :     Assume(!m_cached_spks.empty());
    4035                 :             : 
    4036   [ #  #  #  # ]:           0 :     for (auto& desc_spkm : data.desc_spkms) {
    4037   [ #  #  #  #  :           0 :         if (m_spk_managers.count(desc_spkm->GetID()) > 0) {
                   #  # ]
    4038         [ #  # ]:           0 :             error = _("Error: Duplicate descriptors created during migration. Your wallet may be corrupted.");
    4039                 :           0 :             return false;
    4040                 :             :         }
    4041         [ #  # ]:           0 :         uint256 id = desc_spkm->GetID();
    4042         [ #  # ]:           0 :         AddScriptPubKeyMan(id, std::move(desc_spkm));
    4043         [ #  # ]:           0 :     }
    4044                 :             : 
    4045                 :             :     // Remove the LegacyScriptPubKeyMan from disk
    4046   [ #  #  #  # ]:           0 :     if (!legacy_spkm->DeleteRecords()) {
    4047                 :           0 :         return false;
    4048                 :             :     }
    4049                 :             : 
    4050                 :             :     // Remove the LegacyScriptPubKeyMan from memory
    4051   [ #  #  #  # ]:           0 :     m_spk_managers.erase(legacy_spkm->GetID());
    4052                 :           0 :     m_external_spk_managers.clear();
    4053                 :           0 :     m_internal_spk_managers.clear();
    4054                 :             : 
    4055                 :             :     // Setup new descriptors
    4056         [ #  # ]:           0 :     SetWalletFlag(WALLET_FLAG_DESCRIPTORS);
    4057         [ #  # ]:           0 :     if (!IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
    4058                 :             :         // Use the existing master key if we have it
    4059   [ #  #  #  # ]:           0 :         if (data.master_key.key.IsValid()) {
    4060         [ #  # ]:           0 :             SetupDescriptorScriptPubKeyMans(data.master_key);
    4061                 :           0 :         } else {
    4062                 :             :             // Setup with a new seed if we don't.
    4063         [ #  # ]:           0 :             SetupDescriptorScriptPubKeyMans();
    4064                 :             :         }
    4065                 :           0 :     }
    4066                 :             : 
    4067                 :             :     // Get best block locator so that we can copy it to the watchonly and solvables
    4068         [ #  # ]:           0 :     CBlockLocator best_block_locator;
    4069   [ #  #  #  #  :           0 :     if (!WalletBatch(GetDatabase()).ReadBestBlock(best_block_locator)) {
             #  #  #  # ]
    4070         [ #  # ]:           0 :         error = _("Error: Unable to read wallet's best block locator record");
    4071                 :           0 :         return false;
    4072                 :             :     }
    4073                 :             : 
    4074                 :             :     // Check if the transactions in the wallet are still ours. Either they belong here, or they belong in the watchonly wallet.
    4075                 :             :     // We need to go through these in the tx insertion order so that lookups to spends works.
    4076                 :           0 :     std::vector<uint256> txids_to_delete;
    4077                 :           0 :     std::unique_ptr<WalletBatch> watchonly_batch;
    4078         [ #  # ]:           0 :     if (data.watchonly_wallet) {
    4079   [ #  #  #  # ]:           0 :         watchonly_batch = std::make_unique<WalletBatch>(data.watchonly_wallet->GetDatabase());
    4080                 :             :         // Copy the next tx order pos to the watchonly wallet
    4081   [ #  #  #  # ]:           0 :         LOCK(data.watchonly_wallet->cs_wallet);
    4082                 :           0 :         data.watchonly_wallet->nOrderPosNext = nOrderPosNext;
    4083         [ #  # ]:           0 :         watchonly_batch->WriteOrderPosNext(data.watchonly_wallet->nOrderPosNext);
    4084                 :             :         // Write the best block locator to avoid rescanning on reload
    4085   [ #  #  #  # ]:           0 :         if (!watchonly_batch->WriteBestBlock(best_block_locator)) {
    4086         [ #  # ]:           0 :             error = _("Error: Unable to write watchonly wallet best block locator record");
    4087                 :           0 :             return false;
    4088                 :             :         }
    4089         [ #  # ]:           0 :     }
    4090         [ #  # ]:           0 :     if (data.solvable_wallet) {
    4091                 :             :         // Write the best block locator to avoid rescanning on reload
    4092   [ #  #  #  #  :           0 :         if (!WalletBatch(data.solvable_wallet->GetDatabase()).WriteBestBlock(best_block_locator)) {
             #  #  #  # ]
    4093         [ #  # ]:           0 :             error = _("Error: Unable to write solvable wallet best block locator record");
    4094                 :           0 :             return false;
    4095                 :             :         }
    4096                 :           0 :     }
    4097   [ #  #  #  # ]:           0 :     for (const auto& [_pos, wtx] : wtxOrdered) {
    4098                 :             :         // Check it is the watchonly wallet's
    4099                 :             :         // solvable_wallet doesn't need to be checked because transactions for those scripts weren't being watched for
    4100   [ #  #  #  #  :           0 :         bool is_mine = IsMine(*wtx->tx) || IsFromMe(*wtx->tx);
             #  #  #  # ]
    4101         [ #  # ]:           0 :         if (data.watchonly_wallet) {
    4102   [ #  #  #  # ]:           0 :             LOCK(data.watchonly_wallet->cs_wallet);
    4103   [ #  #  #  #  :           0 :             if (data.watchonly_wallet->IsMine(*wtx->tx) || data.watchonly_wallet->IsFromMe(*wtx->tx)) {
          #  #  #  #  #  
                #  #  # ]
    4104                 :             :                 // Add to watchonly wallet
    4105   [ #  #  #  #  :           0 :                 const uint256& hash = wtx->GetHash();
                   #  # ]
    4106                 :           0 :                 const CWalletTx& to_copy_wtx = *wtx;
    4107   [ #  #  #  # ]:           0 :                 if (!data.watchonly_wallet->LoadToWallet(hash, [&](CWalletTx& ins_wtx, bool new_tx) EXCLUSIVE_LOCKS_REQUIRED(data.watchonly_wallet->cs_wallet) {
    4108         [ #  # ]:           0 :                     if (!new_tx) return false;
    4109                 :           0 :                     ins_wtx.SetTx(to_copy_wtx.tx);
    4110                 :           0 :                     ins_wtx.CopyFrom(to_copy_wtx);
    4111                 :           0 :                     return true;
    4112                 :           0 :                 })) {
    4113   [ #  #  #  #  :           0 :                     error = strprintf(_("Error: Could not add watchonly tx %s to watchonly wallet"), wtx->GetHash().GetHex());
          #  #  #  #  #  
                      # ]
    4114                 :           0 :                     return false;
    4115                 :             :                 }
    4116   [ #  #  #  # ]:           0 :                 watchonly_batch->WriteTx(data.watchonly_wallet->mapWallet.at(hash));
    4117                 :             :                 // Mark as to remove from the migrated wallet only if it does not also belong to it
    4118         [ #  # ]:           0 :                 if (!is_mine) {
    4119         [ #  # ]:           0 :                     txids_to_delete.push_back(hash);
    4120                 :           0 :                 }
    4121                 :           0 :                 continue;
    4122                 :           0 :             }
    4123         [ #  # ]:           0 :         }
    4124         [ #  # ]:           0 :         if (!is_mine) {
    4125                 :             :             // Both not ours and not in the watchonly wallet
    4126   [ #  #  #  #  :           0 :             error = strprintf(_("Error: Transaction %s in wallet cannot be identified to belong to migrated wallets"), wtx->GetHash().GetHex());
          #  #  #  #  #  
                      # ]
    4127                 :           0 :             return false;
    4128                 :             :         }
    4129   [ #  #  #  #  :           0 :     }
                      # ]
    4130                 :           0 :     watchonly_batch.reset(); // Flush
    4131                 :             :     // Do the removes
    4132         [ #  # ]:           0 :     if (txids_to_delete.size() > 0) {
    4133   [ #  #  #  #  :           0 :         if (auto res = RemoveTxs(txids_to_delete); !res) {
                   #  # ]
    4134   [ #  #  #  #  :           0 :             error = _("Error: Could not delete watchonly transactions. ") + util::ErrorString(res);
                   #  # ]
    4135                 :           0 :             return false;
    4136                 :             :         }
    4137                 :           0 :     }
    4138                 :             : 
    4139                 :             :     // Pair external wallets with their corresponding db handler
    4140                 :           0 :     std::vector<std::pair<std::shared_ptr<CWallet>, std::unique_ptr<WalletBatch>>> wallets_vec;
    4141   [ #  #  #  # ]:           0 :     for (const auto& ext_wallet : {data.watchonly_wallet, data.solvable_wallet}) {
    4142         [ #  # ]:           0 :         if (!ext_wallet) continue;
    4143                 :             : 
    4144   [ #  #  #  # ]:           0 :         std::unique_ptr<WalletBatch> batch = std::make_unique<WalletBatch>(ext_wallet->GetDatabase());
    4145   [ #  #  #  # ]:           0 :         if (!batch->TxnBegin()) {
    4146   [ #  #  #  #  :           0 :             error = strprintf(_("Error: database transaction cannot be executed for wallet %s"), ext_wallet->GetName());
                   #  # ]
    4147                 :           0 :             return false;
    4148                 :             :         }
    4149         [ #  # ]:           0 :         wallets_vec.emplace_back(ext_wallet, std::move(batch));
    4150   [ #  #  #  #  :           0 :     }
                      # ]
    4151                 :             : 
    4152                 :             :     // Write address book entry to disk
    4153                 :           0 :     auto func_store_addr = [](WalletBatch& batch, const CTxDestination& dest, const CAddressBookData& entry) {
    4154                 :           0 :         auto address{EncodeDestination(dest)};
    4155   [ #  #  #  #  :           0 :         if (entry.purpose) batch.WritePurpose(address, PurposeToString(*entry.purpose));
                   #  # ]
    4156   [ #  #  #  # ]:           0 :         if (entry.label) batch.WriteName(address, *entry.label);
    4157         [ #  # ]:           0 :         for (const auto& [id, request] : entry.receive_requests) {
    4158   [ #  #  #  # ]:           0 :             batch.WriteAddressReceiveRequest(dest, id, request);
    4159                 :           0 :         }
    4160   [ #  #  #  # ]:           0 :         if (entry.previously_spent) batch.WriteAddressPreviouslySpent(dest, true);
    4161                 :           0 :     };
    4162                 :             : 
    4163                 :             :     // Check the address book data in the same way we did for transactions
    4164                 :           0 :     std::vector<CTxDestination> dests_to_delete;
    4165   [ #  #  #  # ]:           0 :     for (const auto& [dest, record] : m_address_book) {
    4166                 :             :         // Ensure "receive" entries that are no longer part of the original wallet are transferred to another wallet
    4167                 :             :         // Entries for everything else ("send") will be cloned to all wallets.
    4168   [ #  #  #  #  :           0 :         bool require_transfer = record.purpose == AddressPurpose::RECEIVE && !IsMine(dest);
             #  #  #  # ]
    4169                 :           0 :         bool copied = false;
    4170         [ #  # ]:           0 :         for (auto& [wallet, batch] : wallets_vec) {
    4171   [ #  #  #  #  :           0 :             LOCK(wallet->cs_wallet);
                   #  # ]
    4172   [ #  #  #  #  :           0 :             if (require_transfer && !wallet->IsMine(dest)) continue;
             #  #  #  # ]
    4173                 :             : 
    4174                 :             :             // Copy the entire address book entry
    4175   [ #  #  #  #  :           0 :             wallet->m_address_book[dest] = record;
                   #  # ]
    4176   [ #  #  #  # ]:           0 :             func_store_addr(*batch, dest, record);
    4177                 :             : 
    4178                 :           0 :             copied = true;
    4179                 :             :             // Only delete 'receive' records that are no longer part of the original wallet
    4180         [ #  # ]:           0 :             if (require_transfer) {
    4181         [ #  # ]:           0 :                 dests_to_delete.push_back(dest);
    4182                 :           0 :                 break;
    4183                 :             :             }
    4184   [ #  #  #  #  :           0 :         }
                      # ]
    4185                 :             : 
    4186                 :             :         // Fail immediately if we ever found an entry that was ours and cannot be transferred
    4187                 :             :         // to any of the created wallets (watch-only, solvable).
    4188                 :             :         // Means that no inferred descriptor maps to the stored entry. Which mustn't happen.
    4189   [ #  #  #  # ]:           0 :         if (require_transfer && !copied) {
    4190                 :             : 
    4191                 :             :             // Skip invalid/non-watched scripts that will not be migrated
    4192   [ #  #  #  # ]:           0 :             if (not_migrated_dests.count(dest) > 0) {
    4193         [ #  # ]:           0 :                 dests_to_delete.push_back(dest);
    4194                 :           0 :                 continue;
    4195                 :             :             }
    4196                 :             : 
    4197         [ #  # ]:           0 :             error = _("Error: Address book data in wallet cannot be identified to belong to migrated wallets");
    4198                 :           0 :             return false;
    4199                 :             :         }
    4200   [ #  #  #  #  :           0 :     }
                      # ]
    4201                 :             : 
    4202                 :             :     // Persist external wallets address book entries
    4203   [ #  #  #  # ]:           0 :     for (auto& [wallet, batch] : wallets_vec) {
    4204   [ #  #  #  # ]:           0 :         if (!batch->TxnCommit()) {
    4205   [ #  #  #  #  :           0 :             error = strprintf(_("Error: address book copy failed for wallet %s"), wallet->GetName());
                   #  # ]
    4206                 :           0 :             return false;
    4207                 :             :         }
    4208         [ #  # ]:           0 :     }
    4209                 :             : 
    4210                 :             :     // Remove the things to delete in this wallet
    4211   [ #  #  #  # ]:           0 :     WalletBatch local_wallet_batch(GetDatabase());
    4212         [ #  # ]:           0 :     local_wallet_batch.TxnBegin();
    4213         [ #  # ]:           0 :     if (dests_to_delete.size() > 0) {
    4214   [ #  #  #  # ]:           0 :         for (const auto& dest : dests_to_delete) {
    4215   [ #  #  #  # ]:           0 :             if (!DelAddressBookWithDB(local_wallet_batch, dest)) {
    4216         [ #  # ]:           0 :                 error = _("Error: Unable to remove watchonly address book data");
    4217                 :           0 :                 return false;
    4218                 :             :             }
    4219         [ #  # ]:           0 :         }
    4220                 :           0 :     }
    4221         [ #  # ]:           0 :     local_wallet_batch.TxnCommit();
    4222                 :             : 
    4223                 :             :     // Connect the SPKM signals
    4224         [ #  # ]:           0 :     ConnectScriptPubKeyManNotifiers();
    4225         [ #  # ]:           0 :     NotifyCanGetAddressesChanged();
    4226                 :             : 
    4227         [ #  # ]:           0 :     WalletLogPrintf("Wallet migration complete.\n");
    4228                 :             : 
    4229                 :           0 :     return true;
    4230                 :           0 : }
    4231                 :             : 
    4232                 :      562577 : bool CWallet::CanGrindR() const
    4233                 :             : {
    4234                 :      562577 :     return !IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER);
    4235                 :             : }
    4236                 :             : 
    4237                 :           0 : bool DoMigration(CWallet& wallet, WalletContext& context, bilingual_str& error, MigrationResult& res) EXCLUSIVE_LOCKS_REQUIRED(wallet.cs_wallet)
    4238                 :             : {
    4239                 :           0 :     AssertLockHeld(wallet.cs_wallet);
    4240                 :             : 
    4241                 :             :     // Get all of the descriptors from the legacy wallet
    4242                 :           0 :     std::optional<MigrationData> data = wallet.GetDescriptorsForLegacy(error);
    4243         [ #  # ]:           0 :     if (data == std::nullopt) return false;
    4244                 :             : 
    4245                 :             :     // Create the watchonly and solvable wallets if necessary
    4246   [ #  #  #  # ]:           0 :     if (data->watch_descs.size() > 0 || data->solvable_descs.size() > 0) {
    4247                 :           0 :         DatabaseOptions options;
    4248                 :           0 :         options.require_existing = false;
    4249                 :           0 :         options.require_create = true;
    4250                 :           0 :         options.require_format = DatabaseFormat::SQLITE;
    4251                 :             : 
    4252         [ #  # ]:           0 :         WalletContext empty_context;
    4253                 :           0 :         empty_context.args = context.args;
    4254                 :             : 
    4255                 :             :         // Make the wallets
    4256                 :           0 :         options.create_flags = WALLET_FLAG_DISABLE_PRIVATE_KEYS | WALLET_FLAG_BLANK_WALLET | WALLET_FLAG_DESCRIPTORS;
    4257         [ #  # ]:           0 :         if (wallet.IsWalletFlagSet(WALLET_FLAG_AVOID_REUSE)) {
    4258                 :           0 :             options.create_flags |= WALLET_FLAG_AVOID_REUSE;
    4259                 :           0 :         }
    4260         [ #  # ]:           0 :         if (wallet.IsWalletFlagSet(WALLET_FLAG_KEY_ORIGIN_METADATA)) {
    4261                 :           0 :             options.create_flags |= WALLET_FLAG_KEY_ORIGIN_METADATA;
    4262                 :           0 :         }
    4263         [ #  # ]:           0 :         if (data->watch_descs.size() > 0) {
    4264         [ #  # ]:           0 :             wallet.WalletLogPrintf("Making a new watchonly wallet containing the watched scripts\n");
    4265                 :             : 
    4266                 :           0 :             DatabaseStatus status;
    4267                 :           0 :             std::vector<bilingual_str> warnings;
    4268   [ #  #  #  # ]:           0 :             std::string wallet_name = wallet.GetName() + "_watchonly";
    4269         [ #  # ]:           0 :             std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(wallet_name, options, status, error);
    4270         [ #  # ]:           0 :             if (!database) {
    4271   [ #  #  #  # ]:           0 :                 error = strprintf(_("Wallet file creation failed: %s"), error);
    4272                 :           0 :                 return false;
    4273                 :             :             }
    4274                 :             : 
    4275         [ #  # ]:           0 :             data->watchonly_wallet = CWallet::Create(empty_context, wallet_name, std::move(database), options.create_flags, error, warnings);
    4276         [ #  # ]:           0 :             if (!data->watchonly_wallet) {
    4277         [ #  # ]:           0 :                 error = _("Error: Failed to create new watchonly wallet");
    4278                 :           0 :                 return false;
    4279                 :             :             }
    4280                 :           0 :             res.watchonly_wallet = data->watchonly_wallet;
    4281   [ #  #  #  # ]:           0 :             LOCK(data->watchonly_wallet->cs_wallet);
    4282                 :             : 
    4283                 :             :             // Parse the descriptors and add them to the new wallet
    4284         [ #  # ]:           0 :             for (const auto& [desc_str, creation_time] : data->watch_descs) {
    4285                 :             :                 // Parse the descriptor
    4286                 :           0 :                 FlatSigningProvider keys;
    4287                 :           0 :                 std::string parse_err;
    4288   [ #  #  #  # ]:           0 :                 std::unique_ptr<Descriptor> desc = Parse(desc_str, keys, parse_err, /* require_checksum */ true);
    4289         [ #  # ]:           0 :                 assert(desc); // It shouldn't be possible to have the LegacyScriptPubKeyMan make an invalid descriptor
    4290   [ #  #  #  # ]:           0 :                 assert(!desc->IsRange()); // It shouldn't be possible to have LegacyScriptPubKeyMan make a ranged watchonly descriptor
    4291                 :             : 
    4292                 :             :                 // Add to the wallet
    4293   [ #  #  #  # ]:           0 :                 WalletDescriptor w_desc(std::move(desc), creation_time, 0, 0, 0);
    4294   [ #  #  #  # ]:           0 :                 data->watchonly_wallet->AddWalletDescriptor(w_desc, keys, "", false);
    4295                 :           0 :             }
    4296                 :             : 
    4297                 :             :             // Add the wallet to settings
    4298         [ #  # ]:           0 :             UpdateWalletSetting(*context.chain, wallet_name, /*load_on_startup=*/true, warnings);
    4299         [ #  # ]:           0 :         }
    4300         [ #  # ]:           0 :         if (data->solvable_descs.size() > 0) {
    4301         [ #  # ]:           0 :             wallet.WalletLogPrintf("Making a new watchonly wallet containing the unwatched solvable scripts\n");
    4302                 :             : 
    4303                 :           0 :             DatabaseStatus status;
    4304                 :           0 :             std::vector<bilingual_str> warnings;
    4305   [ #  #  #  # ]:           0 :             std::string wallet_name = wallet.GetName() + "_solvables";
    4306         [ #  # ]:           0 :             std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(wallet_name, options, status, error);
    4307         [ #  # ]:           0 :             if (!database) {
    4308   [ #  #  #  # ]:           0 :                 error = strprintf(_("Wallet file creation failed: %s"), error);
    4309                 :           0 :                 return false;
    4310                 :             :             }
    4311                 :             : 
    4312         [ #  # ]:           0 :             data->solvable_wallet = CWallet::Create(empty_context, wallet_name, std::move(database), options.create_flags, error, warnings);
    4313         [ #  # ]:           0 :             if (!data->solvable_wallet) {
    4314         [ #  # ]:           0 :                 error = _("Error: Failed to create new watchonly wallet");
    4315                 :           0 :                 return false;
    4316                 :             :             }
    4317                 :           0 :             res.solvables_wallet = data->solvable_wallet;
    4318   [ #  #  #  # ]:           0 :             LOCK(data->solvable_wallet->cs_wallet);
    4319                 :             : 
    4320                 :             :             // Parse the descriptors and add them to the new wallet
    4321         [ #  # ]:           0 :             for (const auto& [desc_str, creation_time] : data->solvable_descs) {
    4322                 :             :                 // Parse the descriptor
    4323                 :           0 :                 FlatSigningProvider keys;
    4324                 :           0 :                 std::string parse_err;
    4325   [ #  #  #  # ]:           0 :                 std::unique_ptr<Descriptor> desc = Parse(desc_str, keys, parse_err, /* require_checksum */ true);
    4326         [ #  # ]:           0 :                 assert(desc); // It shouldn't be possible to have the LegacyScriptPubKeyMan make an invalid descriptor
    4327   [ #  #  #  # ]:           0 :                 assert(!desc->IsRange()); // It shouldn't be possible to have LegacyScriptPubKeyMan make a ranged watchonly descriptor
    4328                 :             : 
    4329                 :             :                 // Add to the wallet
    4330   [ #  #  #  # ]:           0 :                 WalletDescriptor w_desc(std::move(desc), creation_time, 0, 0, 0);
    4331   [ #  #  #  # ]:           0 :                 data->solvable_wallet->AddWalletDescriptor(w_desc, keys, "", false);
    4332                 :           0 :             }
    4333                 :             : 
    4334                 :             :             // Add the wallet to settings
    4335         [ #  # ]:           0 :             UpdateWalletSetting(*context.chain, wallet_name, /*load_on_startup=*/true, warnings);
    4336         [ #  # ]:           0 :         }
    4337         [ #  # ]:           0 :     }
    4338                 :             : 
    4339                 :             :     // Add the descriptors to wallet, remove LegacyScriptPubKeyMan, and cleanup txs and address book data
    4340   [ #  #  #  # ]:           0 :     if (!wallet.ApplyMigrationData(*data, error)) {
    4341                 :           0 :         return false;
    4342                 :             :     }
    4343                 :           0 :     return true;
    4344                 :           0 : }
    4345                 :             : 
    4346                 :           0 : util::Result<MigrationResult> MigrateLegacyToDescriptor(const std::string& wallet_name, const SecureString& passphrase, WalletContext& context)
    4347                 :             : {
    4348                 :           0 :     MigrationResult res;
    4349                 :           0 :     bilingual_str error;
    4350                 :           0 :     std::vector<bilingual_str> warnings;
    4351                 :             : 
    4352                 :             :     // If the wallet is still loaded, unload it so that nothing else tries to use it while we're changing it
    4353                 :           0 :     bool was_loaded = false;
    4354   [ #  #  #  #  :           0 :     if (auto wallet = GetWallet(context, wallet_name)) {
                   #  # ]
    4355   [ #  #  #  # ]:           0 :         if (!RemoveWallet(context, wallet, /*load_on_start=*/std::nullopt, warnings)) {
    4356   [ #  #  #  # ]:           0 :             return util::Error{_("Unable to unload the wallet before migrating")};
    4357                 :             :         }
    4358         [ #  # ]:           0 :         UnloadWallet(std::move(wallet));
    4359                 :           0 :         was_loaded = true;
    4360                 :           0 :     }
    4361                 :             : 
    4362                 :             :     // Load the wallet but only in the context of this function.
    4363                 :             :     // No signals should be connected nor should anything else be aware of this wallet
    4364         [ #  # ]:           0 :     WalletContext empty_context;
    4365                 :           0 :     empty_context.args = context.args;
    4366                 :           0 :     DatabaseOptions options;
    4367                 :           0 :     options.require_existing = true;
    4368                 :           0 :     DatabaseStatus status;
    4369         [ #  # ]:           0 :     std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(wallet_name, options, status, error);
    4370         [ #  # ]:           0 :     if (!database) {
    4371   [ #  #  #  #  :           0 :         return util::Error{Untranslated("Wallet file verification failed.") + Untranslated(" ") + error};
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    4372                 :             :     }
    4373                 :             : 
    4374                 :             :     // Make the local wallet
    4375         [ #  # ]:           0 :     std::shared_ptr<CWallet> local_wallet = CWallet::Create(empty_context, wallet_name, std::move(database), options.create_flags, error, warnings);
    4376         [ #  # ]:           0 :     if (!local_wallet) {
    4377   [ #  #  #  #  :           0 :         return util::Error{Untranslated("Wallet loading failed.") + Untranslated(" ") + error};
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    4378                 :             :     }
    4379                 :             : 
    4380                 :             :     // Helper to reload as normal for some of our exit scenarios
    4381                 :           0 :     const auto& reload_wallet = [&](std::shared_ptr<CWallet>& to_reload) {
    4382         [ #  # ]:           0 :         assert(to_reload.use_count() == 1);
    4383                 :           0 :         std::string name = to_reload->GetName();
    4384                 :           0 :         to_reload.reset();
    4385         [ #  # ]:           0 :         to_reload = LoadWallet(context, name, /*load_on_start=*/std::nullopt, options, status, error, warnings);
    4386                 :           0 :         return to_reload != nullptr;
    4387                 :           0 :     };
    4388                 :             : 
    4389                 :             :     // Before anything else, check if there is something to migrate.
    4390         [ #  # ]:           0 :     if (local_wallet->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
    4391         [ #  # ]:           0 :         if (was_loaded) {
    4392         [ #  # ]:           0 :             reload_wallet(local_wallet);
    4393                 :           0 :         }
    4394   [ #  #  #  # ]:           0 :         return util::Error{_("Error: This wallet is already a descriptor wallet")};
    4395                 :             :     }
    4396                 :             : 
    4397                 :             :     // Make a backup of the DB
    4398   [ #  #  #  #  :           0 :     fs::path this_wallet_dir = fs::absolute(fs::PathFromString(local_wallet->GetDatabase().Filename())).parent_path();
          #  #  #  #  #  
                #  #  # ]
    4399   [ #  #  #  #  :           0 :     fs::path backup_filename = fs::PathFromString(strprintf("%s_%d.legacy.bak", (wallet_name.empty() ? "default_wallet" : wallet_name), GetTime()));
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
                      # ]
    4400   [ #  #  #  # ]:           0 :     fs::path backup_path = this_wallet_dir / backup_filename;
    4401   [ #  #  #  #  :           0 :     if (!local_wallet->BackupWallet(fs::PathToString(backup_path))) {
                   #  # ]
    4402         [ #  # ]:           0 :         if (was_loaded) {
    4403         [ #  # ]:           0 :             reload_wallet(local_wallet);
    4404                 :           0 :         }
    4405   [ #  #  #  # ]:           0 :         return util::Error{_("Error: Unable to make a backup of your wallet")};
    4406                 :             :     }
    4407         [ #  # ]:           0 :     res.backup_path = backup_path;
    4408                 :             : 
    4409                 :           0 :     bool success = false;
    4410                 :             : 
    4411                 :             :     // Unlock the wallet if needed
    4412   [ #  #  #  #  :           0 :     if (local_wallet->IsLocked() && !local_wallet->Unlock(passphrase)) {
             #  #  #  # ]
    4413         [ #  # ]:           0 :         if (was_loaded) {
    4414         [ #  # ]:           0 :             reload_wallet(local_wallet);
    4415                 :           0 :         }
    4416         [ #  # ]:           0 :         if (passphrase.find('\0') == std::string::npos) {
    4417   [ #  #  #  #  :           0 :             return util::Error{Untranslated("Error: Wallet decryption failed, the wallet passphrase was not provided or was incorrect.")};
                   #  # ]
    4418                 :             :         } else {
    4419   [ #  #  #  #  :           0 :             return util::Error{Untranslated("Error: Wallet decryption failed, the wallet passphrase entered was incorrect. "
                   #  # ]
    4420                 :             :                                             "The passphrase contains a null character (ie - a zero byte). "
    4421                 :             :                                             "If this passphrase was set with a version of this software prior to 25.0, "
    4422                 :             :                                             "please try again with only the characters up to — but not including — "
    4423                 :             :                                             "the first null character.")};
    4424                 :             :         }
    4425                 :             :     }
    4426                 :             : 
    4427                 :             :     {
    4428   [ #  #  #  # ]:           0 :         LOCK(local_wallet->cs_wallet);
    4429                 :             :         // First change to using SQLite
    4430   [ #  #  #  #  :           0 :         if (!local_wallet->MigrateToSQLite(error)) return util::Error{error};
             #  #  #  # ]
    4431                 :             : 
    4432                 :             :         // Do the migration of keys and scripts for non-blank wallets, and cleanup if it fails
    4433                 :           0 :         success = local_wallet->IsWalletFlagSet(WALLET_FLAG_BLANK_WALLET);
    4434         [ #  # ]:           0 :         if (!success) {
    4435         [ #  # ]:           0 :             success = DoMigration(*local_wallet, context, error, res);
    4436                 :           0 :         } else {
    4437                 :             :             // Make sure that descriptors flag is actually set
    4438         [ #  # ]:           0 :             local_wallet->SetWalletFlag(WALLET_FLAG_DESCRIPTORS);
    4439                 :             :         }
    4440         [ #  # ]:           0 :     }
    4441                 :             : 
    4442                 :             :     // In case of reloading failure, we need to remember the wallet dirs to remove
    4443                 :             :     // Set is used as it may be populated with the same wallet directory paths multiple times,
    4444                 :             :     // both before and after reloading. This ensures the set is complete even if one of the wallets
    4445                 :             :     // fails to reload.
    4446                 :           0 :     std::set<fs::path> wallet_dirs;
    4447         [ #  # ]:           0 :     if (success) {
    4448                 :             :         // Migration successful, unload all wallets locally, then reload them.
    4449                 :             :         // Reload the main wallet
    4450   [ #  #  #  #  :           0 :         wallet_dirs.insert(fs::PathFromString(local_wallet->GetDatabase().Filename()).parent_path());
          #  #  #  #  #  
                #  #  # ]
    4451         [ #  # ]:           0 :         success = reload_wallet(local_wallet);
    4452                 :           0 :         res.wallet = local_wallet;
    4453         [ #  # ]:           0 :         res.wallet_name = wallet_name;
    4454   [ #  #  #  # ]:           0 :         if (success && res.watchonly_wallet) {
    4455                 :             :             // Reload watchonly
    4456   [ #  #  #  #  :           0 :             wallet_dirs.insert(fs::PathFromString(res.watchonly_wallet->GetDatabase().Filename()).parent_path());
          #  #  #  #  #  
                #  #  # ]
    4457         [ #  # ]:           0 :             success = reload_wallet(res.watchonly_wallet);
    4458                 :           0 :         }
    4459   [ #  #  #  # ]:           0 :         if (success && res.solvables_wallet) {
    4460                 :             :             // Reload solvables
    4461   [ #  #  #  #  :           0 :             wallet_dirs.insert(fs::PathFromString(res.solvables_wallet->GetDatabase().Filename()).parent_path());
          #  #  #  #  #  
                #  #  # ]
    4462         [ #  # ]:           0 :             success = reload_wallet(res.solvables_wallet);
    4463                 :           0 :         }
    4464                 :           0 :     }
    4465         [ #  # ]:           0 :     if (!success) {
    4466                 :             :         // Migration failed, cleanup
    4467                 :             :         // Copy the backup to the actual wallet dir
    4468   [ #  #  #  # ]:           0 :         fs::path temp_backup_location = fsbridge::AbsPathJoin(GetWalletDir(), backup_filename);
    4469         [ #  # ]:           0 :         fs::copy_file(backup_path, temp_backup_location, fs::copy_options::none);
    4470                 :             : 
    4471                 :             :         // Make list of wallets to cleanup
    4472                 :           0 :         std::vector<std::shared_ptr<CWallet>> created_wallets;
    4473   [ #  #  #  # ]:           0 :         if (local_wallet) created_wallets.push_back(std::move(local_wallet));
    4474   [ #  #  #  # ]:           0 :         if (res.watchonly_wallet) created_wallets.push_back(std::move(res.watchonly_wallet));
    4475   [ #  #  #  # ]:           0 :         if (res.solvables_wallet) created_wallets.push_back(std::move(res.solvables_wallet));
    4476                 :             : 
    4477                 :             :         // Get the directories to remove after unloading
    4478         [ #  # ]:           0 :         for (std::shared_ptr<CWallet>& w : created_wallets) {
    4479   [ #  #  #  #  :           0 :             wallet_dirs.emplace(fs::PathFromString(w->GetDatabase().Filename()).parent_path());
          #  #  #  #  #  
                      # ]
    4480                 :           0 :         }
    4481                 :             : 
    4482                 :             :         // Unload the wallets
    4483   [ #  #  #  # ]:           0 :         for (std::shared_ptr<CWallet>& w : created_wallets) {
    4484   [ #  #  #  # ]:           0 :             if (w->HaveChain()) {
    4485                 :             :                 // Unloading for wallets that were loaded for normal use
    4486   [ #  #  #  # ]:           0 :                 if (!RemoveWallet(context, w, /*load_on_start=*/false)) {
    4487   [ #  #  #  # ]:           0 :                     error += _("\nUnable to cleanup failed migration");
    4488   [ #  #  #  # ]:           0 :                     return util::Error{error};
    4489                 :             :                 }
    4490         [ #  # ]:           0 :                 UnloadWallet(std::move(w));
    4491                 :           0 :             } else {
    4492                 :             :                 // Unloading for wallets in local context
    4493         [ #  # ]:           0 :                 assert(w.use_count() == 1);
    4494                 :           0 :                 w.reset();
    4495                 :             :             }
    4496         [ #  # ]:           0 :         }
    4497                 :             : 
    4498                 :             :         // Delete the wallet directories
    4499         [ #  # ]:           0 :         for (const fs::path& dir : wallet_dirs) {
    4500         [ #  # ]:           0 :             fs::remove_all(dir);
    4501                 :           0 :         }
    4502                 :             : 
    4503                 :             :         // Restore the backup
    4504                 :           0 :         DatabaseStatus status;
    4505                 :           0 :         std::vector<bilingual_str> warnings;
    4506   [ #  #  #  # ]:           0 :         if (!RestoreWallet(context, temp_backup_location, wallet_name, /*load_on_start=*/std::nullopt, status, error, warnings)) {
    4507   [ #  #  #  # ]:           0 :             error += _("\nUnable to restore backup of wallet.");
    4508   [ #  #  #  # ]:           0 :             return util::Error{error};
    4509                 :             :         }
    4510                 :             : 
    4511                 :             :         // Move the backup to the wallet dir
    4512         [ #  # ]:           0 :         fs::copy_file(temp_backup_location, backup_path, fs::copy_options::none);
    4513         [ #  # ]:           0 :         fs::remove(temp_backup_location);
    4514                 :             : 
    4515   [ #  #  #  # ]:           0 :         return util::Error{error};
    4516                 :           0 :     }
    4517         [ #  # ]:           0 :     return res;
    4518                 :           0 : }
    4519                 :             : 
    4520                 :     1019588 : void CWallet::CacheNewScriptPubKeys(const std::set<CScript>& spks, ScriptPubKeyMan* spkm)
    4521                 :             : {
    4522         [ +  + ]:     3401219 :     for (const auto& script : spks) {
    4523                 :     2381631 :         m_cached_spks[script].push_back(spkm);
    4524                 :     2381631 :     }
    4525                 :     1019588 : }
    4526                 :             : 
    4527                 :     1019588 : void CWallet::TopUpCallback(const std::set<CScript>& spks, ScriptPubKeyMan* spkm)
    4528                 :             : {
    4529                 :             :     // Update scriptPubKey cache
    4530                 :     1019588 :     CacheNewScriptPubKeys(spks, spkm);
    4531                 :     1019588 : }
    4532                 :             : 
    4533                 :           0 : std::set<CExtPubKey> CWallet::GetActiveHDPubKeys() const
    4534                 :             : {
    4535                 :           0 :     AssertLockHeld(cs_wallet);
    4536                 :             : 
    4537                 :           0 :     Assert(IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
    4538                 :             : 
    4539                 :           0 :     std::set<CExtPubKey> active_xpubs;
    4540   [ #  #  #  # ]:           0 :     for (const auto& spkm : GetActiveScriptPubKeyMans()) {
    4541         [ #  # ]:           0 :         const DescriptorScriptPubKeyMan* desc_spkm = dynamic_cast<DescriptorScriptPubKeyMan*>(spkm);
    4542         [ #  # ]:           0 :         assert(desc_spkm);
    4543   [ #  #  #  # ]:           0 :         LOCK(desc_spkm->cs_desc_man);
    4544         [ #  # ]:           0 :         WalletDescriptor w_desc = desc_spkm->GetWalletDescriptor();
    4545                 :             : 
    4546                 :           0 :         std::set<CPubKey> desc_pubkeys;
    4547                 :           0 :         std::set<CExtPubKey> desc_xpubs;
    4548         [ #  # ]:           0 :         w_desc.descriptor->GetPubKeys(desc_pubkeys, desc_xpubs);
    4549         [ #  # ]:           0 :         active_xpubs.merge(std::move(desc_xpubs));
    4550                 :           0 :     }
    4551                 :           0 :     return active_xpubs;
    4552         [ #  # ]:           0 : }
    4553                 :             : 
    4554                 :           0 : std::optional<CKey> CWallet::GetKey(const CKeyID& keyid) const
    4555                 :             : {
    4556                 :           0 :     Assert(IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
    4557                 :             : 
    4558   [ #  #  #  #  :           0 :     for (const auto& spkm : GetAllScriptPubKeyMans()) {
                      # ]
    4559         [ #  # ]:           0 :         const DescriptorScriptPubKeyMan* desc_spkm = dynamic_cast<DescriptorScriptPubKeyMan*>(spkm);
    4560         [ #  # ]:           0 :         assert(desc_spkm);
    4561   [ #  #  #  # ]:           0 :         LOCK(desc_spkm->cs_desc_man);
    4562   [ #  #  #  #  :           0 :         if (std::optional<CKey> key = desc_spkm->GetKey(keyid)) {
                   #  # ]
    4563                 :           0 :             return key;
    4564                 :             :         }
    4565   [ #  #  #  # ]:           0 :     }
    4566                 :           0 :     return std::nullopt;
    4567                 :           0 : }
    4568                 :             : } // namespace wallet
        

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