git / moonbite-core / src/wallet/walletutil.h · raw

// Copyright (c) 2017-2019 The Bitcoin Core developers// Distributed under the MIT software license, see the accompanying// file COPYING or http://www.opensource.org/licenses/mit-license.php.#ifndef BITCOIN_WALLET_WALLETUTIL_H#define BITCOIN_WALLET_WALLETUTIL_H#include <fs.h>#include <script/descriptor.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_MWEB = 210000, // Wallet with MWEB keys and coins    FEATURE_LATEST = FEATURE_MWEB};bool IsFeatureSupported(int wallet_version, int feature_version);WalletFeature GetClosestWalletFeature(int version);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),    //! Indicate that this wallet supports DescriptorScriptPubKeyMan    WALLET_FLAG_DESCRIPTORS = (1ULL << 34),};//! Get the path of the wallet directory.fs::path GetWalletDir();//! Get wallets in wallet directory.std::vector<fs::path> ListWalletDir();/** Descriptor with some wallet metadata */class WalletDescriptor{public:    std::shared_ptr<Descriptor> descriptor;    uint64_t creation_time = 0;    int32_t range_start = 0; // First item in range; start of range, inclusive, i.e. [range_start, range_end). This never changes.    int32_t range_end = 0; // Item after the last; end of range, exclusive, i.e. [range_start, range_end). This will increment with each TopUp()    int32_t next_index = 0; // Position of the next item to generate    DescriptorCache cache;    void DeserializeDescriptor(const std::string& str)    {        std::string error;        FlatSigningProvider keys;        descriptor = Parse(str, keys, error, true);        if (!descriptor) {            throw std::ios_base::failure("Invalid descriptor: " + error);        }    }    SERIALIZE_METHODS(WalletDescriptor, obj)    {        std::string descriptor_str;        SER_WRITE(obj, descriptor_str = obj.descriptor->ToString());        READWRITE(descriptor_str, obj.creation_time, obj.next_index, obj.range_start, obj.range_end);        SER_READ(obj, obj.DeserializeDescriptor(descriptor_str));    }    WalletDescriptor() {}    WalletDescriptor(std::shared_ptr<Descriptor> descriptor, uint64_t creation_time, int32_t range_start, int32_t range_end, int32_t next_index) : descriptor(descriptor), creation_time(creation_time), range_start(range_start), range_end(range_end), next_index(next_index) {}};#endif // BITCOIN_WALLET_WALLETUTIL_H