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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2019 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <wallet/load.h>
#include <interfaces/chain.h>
#include <scheduler.h>
#include <util/string.h>
#include <util/system.h>
#include <util/translation.h>
#include <wallet/wallet.h>
bool VerifyWallets(interfaces::Chain& chain, const std::vector<std::string>& wallet_files)
{
if (gArgs.IsArgSet("-walletdir")) {
fs::path wallet_dir = gArgs.GetArg("-walletdir", "");
boost::system::error_code error;
// The canonical path cleans the path, preventing >1 Berkeley environment instances for the same directory
fs::path canonical_wallet_dir = fs::canonical(wallet_dir, error);
if (error || !fs::exists(wallet_dir)) {
chain.initError(strprintf(_("Specified -walletdir \"%s\" does not exist").translated, wallet_dir.string()));
return false;
} else if (!fs::is_directory(wallet_dir)) {
chain.initError(strprintf(_("Specified -walletdir \"%s\" is not a directory").translated, wallet_dir.string()));
return false;
// The canonical path transforms relative paths into absolute ones, so we check the non-canonical version
} else if (!wallet_dir.is_absolute()) {
chain.initError(strprintf(_("Specified -walletdir \"%s\" is a relative path").translated, wallet_dir.string()));
return false;
}
gArgs.ForceSetArg("-walletdir", canonical_wallet_dir.string());
}
LogPrintf("Using wallet directory %s\n", GetWalletDir().string());
chain.initMessage(_("Verifying wallet(s)...").translated);
// Parameter interaction code should have thrown an error if -salvagewallet
// was enabled with more than wallet file, so the wallet_files size check
// here should have no effect.
bool salvage_wallet = gArgs.GetBoolArg("-salvagewallet", false) && wallet_files.size() <= 1;
// Keep track of each wallet absolute path to detect duplicates.
std::set<fs::path> wallet_paths;
for (const auto& wallet_file : wallet_files) {
WalletLocation location(wallet_file);
if (!wallet_paths.insert(location.GetPath()).second) {
chain.initError(strprintf(_("Error loading wallet %s. Duplicate -wallet filename specified.").translated, wallet_file));
return false;
}
std::string error_string;
std::vector<std::string> warnings;
bool verify_success = CWallet::Verify(chain, location, salvage_wallet, error_string, warnings);
if (!error_string.empty()) chain.initError(error_string);
if (!warnings.empty()) chain.initWarning(Join(warnings, "\n"));
if (!verify_success) return false;
}
return true;
}
bool LoadWallets(interfaces::Chain& chain, const std::vector<std::string>& wallet_files)
{
for (const std::string& walletFile : wallet_files) {
std::string error;
std::vector<std::string> warnings;
std::shared_ptr<CWallet> pwallet = CWallet::CreateWalletFromFile(chain, WalletLocation(walletFile), error, warnings);
if (!warnings.empty()) chain.initWarning(Join(warnings, "\n"));
if (!pwallet) {
chain.initError(error);
return false;
}
AddWallet(pwallet);
}
return true;
}
void StartWallets(CScheduler& scheduler)
{
for (const std::shared_ptr<CWallet>& pwallet : GetWallets()) {
pwallet->postInitProcess();
}
// Schedule periodic wallet flushes and tx rebroadcasts
scheduler.scheduleEvery(MaybeCompactWalletDB, std::chrono::milliseconds{500});
scheduler.scheduleEvery(MaybeResendWalletTxs, std::chrono::milliseconds{1000});
}
void FlushWallets()
{
for (const std::shared_ptr<CWallet>& pwallet : GetWallets()) {
pwallet->Flush(false);
}
}
void StopWallets()
{
for (const std::shared_ptr<CWallet>& pwallet : GetWallets()) {
pwallet->Flush(true);
}
}
void UnloadWallets()
{
auto wallets = GetWallets();
while (!wallets.empty()) {
auto wallet = wallets.back();
wallets.pop_back();
RemoveWallet(wallet);
UnloadWallet(std::move(wallet));
}
}
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