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// Copyright (c) 2017-2018 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_WALLET_WALLETUTIL_H
#define BITCOIN_WALLET_WALLETUTIL_H
#include <fs.h>
#include <vector>
/** (client) version numbers for particular wallet features */
enum WalletFeature
{
FEATURE_BASE = 10500, // the earliest version new wallets supports (only useful for getwalletinfo's clientversion output)
FEATURE_WALLETCRYPT = 40000, // wallet encryption
FEATURE_COMPRPUBKEY = 60000, // compressed public keys
FEATURE_HD = 130000, // Hierarchical key derivation after BIP32 (HD Wallet)
FEATURE_HD_SPLIT = 139900, // Wallet with HD chain split (change outputs will use m/0'/1'/k)
FEATURE_NO_DEFAULT_KEY = 159900, // Wallet without a default key written
FEATURE_PRE_SPLIT_KEYPOOL = 169900, // Upgraded to HD SPLIT and can have a pre-split keypool
FEATURE_LATEST = FEATURE_PRE_SPLIT_KEYPOOL
};
enum WalletFlags : uint64_t {
// wallet flags in the upper section (> 1 << 31) will lead to not opening the wallet if flag is unknown
// unknown wallet flags in the lower section <= (1 << 31) will be tolerated
// will categorize coins as clean (not reused) and dirty (reused), and handle
// them with privacy considerations in mind
WALLET_FLAG_AVOID_REUSE = (1ULL << 0),
// Indicates that the metadata has already been upgraded to contain key origins
WALLET_FLAG_KEY_ORIGIN_METADATA = (1ULL << 1),
// will enforce the rule that the wallet can't contain any private keys (only watch-only/pubkeys)
WALLET_FLAG_DISABLE_PRIVATE_KEYS = (1ULL << 32),
//! Flag set when a wallet contains no HD seed and no private keys, scripts,
//! addresses, and other watch only things, and is therefore "blank."
//!
//! The only function this flag serves is to distinguish a blank wallet from
//! a newly created wallet when the wallet database is loaded, to avoid
//! initialization that should only happen on first run.
//!
//! This flag is also a mandatory flag to prevent previous versions of
//! bitcoin from opening the wallet, thinking it was newly created, and
//! then improperly reinitializing it.
WALLET_FLAG_BLANK_WALLET = (1ULL << 33),
};
//! Get the path of the wallet directory.
fs::path GetWalletDir();
//! Get wallets in wallet directory.
std::vector<fs::path> ListWalletDir();
//! The WalletLocation class provides wallet information.
class WalletLocation final
{
std::string m_name;
fs::path m_path;
public:
explicit WalletLocation() {}
explicit WalletLocation(const std::string& name);
//! Get wallet name.
const std::string& GetName() const { return m_name; }
//! Get wallet absolute path.
const fs::path& GetPath() const { return m_path; }
//! Return whether the wallet exists.
bool Exists() const;
};
#endif // BITCOIN_WALLET_WALLETUTIL_H
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