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wallettool: Add a salvage command

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This commit is contained in:
Andrew Chow 2020-05-08 17:06:16 -04:00
parent 448bdff263
commit c87770915b
2 changed files with 34 additions and 5 deletions
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1
src/bitcoin-wallet.cpp
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@ -31,6 +31,7 @@ static void SetupWalletToolArgs()
gArgs.AddArg("info", "Get wallet info", ArgsManager::ALLOW_ANY, OptionsCategory::COMMANDS); gArgs.AddArg("info", "Get wallet info", ArgsManager::ALLOW_ANY, OptionsCategory::COMMANDS);
gArgs.AddArg("create", "Create new wallet file", ArgsManager::ALLOW_ANY, OptionsCategory::COMMANDS); gArgs.AddArg("create", "Create new wallet file", ArgsManager::ALLOW_ANY, OptionsCategory::COMMANDS);
gArgs.AddArg("salvage", "Attempt to recover private keys from a corrupt wallet", ArgsManager::ALLOW_ANY, OptionsCategory::COMMANDS);
} }
static bool WalletAppInit(int argc, char* argv[]) static bool WalletAppInit(int argc, char* argv[])

38
src/wallet/wallettool.cpp
View file

@ -103,6 +103,29 @@ static void WalletShowInfo(CWallet* wallet_instance)
tfm::format(std::cout, "Address Book: %zu\n", wallet_instance->m_address_book.size()); tfm::format(std::cout, "Address Book: %zu\n", wallet_instance->m_address_book.size());
} }
static bool SalvageWallet(const fs::path& path)
{
// Create a Database handle to allow for the db to be initialized before recovery
std::unique_ptr<WalletDatabase> database = WalletDatabase::Create(path);
// Initialize the environment before recovery
bilingual_str error_string;
try {
WalletBatch::VerifyEnvironment(path, error_string);
} catch (const fs::filesystem_error& e) {
error_string = Untranslated(strprintf("Error loading wallet. %s", fsbridge::get_filesystem_error_message(e)));
}
if (!error_string.original.empty()) {
tfm::format(std::cerr, "Failed to open wallet for salvage :%s\n", error_string.original);
return false;
}
// Perform the recovery
CWallet dummy_wallet(nullptr, WalletLocation(), WalletDatabase::CreateDummy());
std::string backup_filename;
return WalletBatch::Recover(path, (void*)&dummy_wallet, WalletBatch::RecoverKeysOnlyFilter, backup_filename);
}
bool ExecuteWalletToolFunc(const std::string& command, const std::string& name) bool ExecuteWalletToolFunc(const std::string& command, const std::string& name)
{ {
fs::path path = fs::absolute(name, GetWalletDir()); fs::path path = fs::absolute(name, GetWalletDir());
@ -113,7 +136,7 @@ bool ExecuteWalletToolFunc(const std::string& command, const std::string& name)
WalletShowInfo(wallet_instance.get()); WalletShowInfo(wallet_instance.get());
wallet_instance->Flush(true); wallet_instance->Flush(true);
} }
} else if (command == "info") { } else if (command == "info" || command == "salvage") {
if (!fs::exists(path)) { if (!fs::exists(path)) {
tfm::format(std::cerr, "Error: no wallet file at %s\n", name); tfm::format(std::cerr, "Error: no wallet file at %s\n", name);
return false; return false;
@ -123,10 +146,15 @@ bool ExecuteWalletToolFunc(const std::string& command, const std::string& name)
tfm::format(std::cerr, "%s\nError loading %s. Is wallet being used by other process?\n", error.original, name); tfm::format(std::cerr, "%s\nError loading %s. Is wallet being used by other process?\n", error.original, name);
return false; return false;
} }
std::shared_ptr<CWallet> wallet_instance = LoadWallet(name, path);
if (!wallet_instance) return false; if (command == "info") {
WalletShowInfo(wallet_instance.get()); std::shared_ptr<CWallet> wallet_instance = LoadWallet(name, path);
wallet_instance->Flush(true); if (!wallet_instance) return false;
WalletShowInfo(wallet_instance.get());
wallet_instance->Flush(true);
} else if (command == "salvage") {
return SalvageWallet(path);
}
} else { } else {
tfm::format(std::cerr, "Invalid command: %s\n", command); tfm::format(std::cerr, "Invalid command: %s\n", command);
return false; return false;