Merge #14350: Add WalletLocation class

65f3672f3b82a6fa30e5171f85bc8d8a29e0797e wallet: Refactor to use WalletLocation (João Barbosa)
01a4c095c87500650663341533f000c6b613e9da wallet: Add WalletLocation utility class (João Barbosa)

Pull request description:

  Advantages of this change:
   - avoid resolving wallet absolute path and name repetitively and in multiple places;
   - avoid calling `GetWalletDir` in multiple places;
   - extract these details from the actual wallet implementation.

  The `WalletLocation` class can be a way to represent a wallet not yet loaded that exists in the wallet directory.

Tree-SHA512: 71ec09786e038499710e7acafe92d66ab9883fc894964e267443ae9c10a6872a10995c3987a169c436a4e793dae96b28fb97bd7f78483c4b72ac930fa23f8686

1 files changed, 12 insertions, 13 deletions

diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 16ae3ff9c9..2ea9f45462 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -27,7 +27,6 @@
 #include <txmempool.h>
 #include <util/moneystr.h>
 #include <wallet/fees.h>
-#include <wallet/walletutil.h>
 
 #include <algorithm>
 #include <assert.h>
@@ -3826,7 +3825,7 @@ void CWallet::MarkPreSplitKeys()
     }
 }
 
-bool CWallet::Verify(std::string wallet_file, bool salvage_wallet, std::string& error_string, std::string& warning_string)
+bool CWallet::Verify(const WalletLocation& location, bool salvage_wallet, std::string& error_string, std::string& warning_string)
 {
     // Do some checking on wallet path. It should be either a:
     //
@@ -3835,23 +3834,23 @@ bool CWallet::Verify(std::string wallet_file, bool salvage_wallet, std::string&
     // 3. Path to a symlink to a directory.
     // 4. For backwards compatibility, the name of a data file in -walletdir.
     LOCK(cs_wallets);
-    fs::path wallet_path = fs::absolute(wallet_file, GetWalletDir());
+    const fs::path& wallet_path = location.GetPath();
     fs::file_type path_type = fs::symlink_status(wallet_path).type();
     if (!(path_type == fs::file_not_found || path_type == fs::directory_file ||
           (path_type == fs::symlink_file && fs::is_directory(wallet_path)) ||
-          (path_type == fs::regular_file && fs::path(wallet_file).filename() == wallet_file))) {
+          (path_type == fs::regular_file && fs::path(location.GetName()).filename() == location.GetName()))) {
         error_string = strprintf(
               "Invalid -wallet path '%s'. -wallet path should point to a directory where wallet.dat and "
               "database/log.?????????? files can be stored, a location where such a directory could be created, "
               "or (for backwards compatibility) the name of an existing data file in -walletdir (%s)",
-              wallet_file, GetWalletDir());
+              location.GetName(), GetWalletDir());
         return false;
     }
 
     // Make sure that the wallet path doesn't clash with an existing wallet path
     for (auto wallet : GetWallets()) {
-        if (fs::absolute(wallet->GetName(), GetWalletDir()) == wallet_path) {
-            error_string = strprintf("Error loading wallet %s. Duplicate -wallet filename specified.", wallet_file);
+        if (wallet->GetLocation().GetPath() == wallet_path) {
+            error_string = strprintf("Error loading wallet %s. Duplicate -wallet filename specified.", location.GetName());
             return false;
         }
     }
@@ -3861,13 +3860,13 @@ bool CWallet::Verify(std::string wallet_file, bool salvage_wallet, std::string&
             return false;
         }
     } catch (const fs::filesystem_error& e) {
-        error_string = strprintf("Error loading wallet %s. %s", wallet_file, fsbridge::get_filesystem_error_message(e));
+        error_string = strprintf("Error loading wallet %s. %s", location.GetName(), fsbridge::get_filesystem_error_message(e));
         return false;
     }
 
     if (salvage_wallet) {
         // Recover readable keypairs:
-        CWallet dummyWallet("dummy", WalletDatabase::CreateDummy());
+        CWallet dummyWallet(WalletLocation(), WalletDatabase::CreateDummy());
         std::string backup_filename;
         if (!WalletBatch::Recover(wallet_path, (void *)&dummyWallet, WalletBatch::RecoverKeysOnlyFilter, backup_filename)) {
             return false;
@@ -3877,9 +3876,9 @@ bool CWallet::Verify(std::string wallet_file, bool salvage_wallet, std::string&
     return WalletBatch::VerifyDatabaseFile(wallet_path, warning_string, error_string);
 }
 
-std::shared_ptr<CWallet> CWallet::CreateWalletFromFile(const std::string& name, const fs::path& path, uint64_t wallet_creation_flags)
+std::shared_ptr<CWallet> CWallet::CreateWalletFromFile(const WalletLocation& location, uint64_t wallet_creation_flags)
 {
-    const std::string& walletFile = name;
+    const std::string& walletFile = location.GetName();
 
     // needed to restore wallet transaction meta data after -zapwallettxes
     std::vector<CWalletTx> vWtx;
@@ -3887,7 +3886,7 @@ std::shared_ptr<CWallet> CWallet::CreateWalletFromFile(const std::string& name,
     if (gArgs.GetBoolArg("-zapwallettxes", false)) {
         uiInterface.InitMessage(_("Zapping all transactions from wallet..."));
 
-        std::unique_ptr<CWallet> tempWallet = MakeUnique<CWallet>(name, WalletDatabase::Create(path));
+        std::unique_ptr<CWallet> tempWallet = MakeUnique<CWallet>(location, WalletDatabase::Create(location.GetPath()));
         DBErrors nZapWalletRet = tempWallet->ZapWalletTx(vWtx);
         if (nZapWalletRet != DBErrors::LOAD_OK) {
             InitError(strprintf(_("Error loading %s: Wallet corrupted"), walletFile));
@@ -3901,7 +3900,7 @@ std::shared_ptr<CWallet> CWallet::CreateWalletFromFile(const std::string& name,
     bool fFirstRun = true;
     // TODO: Can't use std::make_shared because we need a custom deleter but
     // should be possible to use std::allocate_shared.
-    std::shared_ptr<CWallet> walletInstance(new CWallet(name, WalletDatabase::Create(path)), ReleaseWallet);
+    std::shared_ptr<CWallet> walletInstance(new CWallet(location, WalletDatabase::Create(location.GetPath())), ReleaseWallet);
     DBErrors nLoadWalletRet = walletInstance->LoadWallet(fFirstRun);
     if (nLoadWalletRet != DBErrors::LOAD_OK)
     {