Method LoadWallet

src/wallet/walletdb.cpp:1102–1194

}

DBErrors WalletBatch::LoadWallet(CWallet* pwallet)
{
    DBErrors result = DBErrors::LOAD_OK;
    bool any_unordered = false;

    LOCK(pwallet->cs_wallet);

    // Last client version to open this wallet
    int last_client = CLIENT_VERSION;
    bool has_last_client = m_batch->Read(DBKeys::VERSION, last_client);
    if (has_last_client) pwallet->WalletLogPrintf("Last client version = %d\n", last_client);

    try {
        // Load wallet flags, so they are known when processing other records.
        // The FLAGS key is absent during wallet creation.
        if ((result = LoadWalletFlags(pwallet, *m_batch)) != DBErrors::LOAD_OK) return result;

#ifndef ENABLE_EXTERNAL_SIGNER
        if (pwallet->IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER)) {
            pwallet->WalletLogPrintf("Error: External signer wallet being loaded without external signer support compiled\n");
            return DBErrors::EXTERNAL_SIGNER_SUPPORT_REQUIRED;
        }
#endif

        // Load legacy wallet keys
        result = std::max(LoadLegacyWalletRecords(pwallet, *m_batch, last_client), result);

        // Load descriptors
        result = std::max(LoadDescriptorWalletRecords(pwallet, *m_batch, last_client), result);
        // Early return if there are unknown descriptors. Later loading of ACTIVEINTERNALSPK and ACTIVEEXTERNALEXPK
        // may reference the unknown descriptor's ID which can result in a misleading corruption error
        // when in reality the wallet is simply too new.
        if (result == DBErrors::UNKNOWN_DESCRIPTOR) return result;

        // Load address book
        result = std::max(LoadAddressBookRecords(pwallet, *m_batch), result);

        // Load SPKMs
        result = std::max(LoadActiveSPKMs(pwallet, *m_batch), result);

        // Load decryption keys
        result = std::max(LoadDecryptionKeys(pwallet, *m_batch), result);

        // Load tx records
        result = std::max(LoadTxRecords(pwallet, *m_batch, any_unordered), result);
    } catch (std::runtime_error& e) {
        // Exceptions that can be ignored or treated as non-critical are handled by the individual loading functions.
        // Any uncaught exceptions will be caught here and treated as critical.
        // Catch std::runtime_error specifically as many functions throw these and they at least have some message that
        // we can log
        pwallet->WalletLogPrintf("%s\n", e.what());
        result = DBErrors::CORRUPT;
    } catch (...) {
        // All other exceptions are still problematic, but we can't log them
        result = DBErrors::CORRUPT;
    }

    // Any wallet corruption at all: skip any rewriting or